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logx(y)+logy(x)=2.9logx(y)+logy(x)=2.9 , xy=128xy=128
خطوة 1
خطوة 1.1
اقسِم كل حد في (2.9-logx(y))ln(y)=ln(x)(2.9−logx(y))ln(y)=ln(x) على ln(y)ln(y) وبسّط.
خطوة 1.1.1
اقسِم كل حد في (2.9-logx(y))ln(y)=ln(x)(2.9−logx(y))ln(y)=ln(x) على ln(y)ln(y).
(2.9-logx(y))ln(y)ln(y)=ln(x)ln(y)(2.9−logx(y))ln(y)ln(y)=ln(x)ln(y)
y=128xy=128x
خطوة 1.1.2
بسّط الطرف الأيسر.
خطوة 1.1.2.1
ألغِ العامل المشترك لـ ln(y)ln(y).
خطوة 1.1.2.1.1
ألغِ العامل المشترك.
(2.9-logx(y))ln(y)ln(y)=ln(x)ln(y)(2.9−logx(y))ln(y)ln(y)=ln(x)ln(y)
y=128xy=128x
خطوة 1.1.2.1.2
اقسِم 2.9-logx(y)2.9−logx(y) على 11.
2.9-logx(y)=ln(x)ln(y)2.9−logx(y)=ln(x)ln(y)
y=128xy=128x
2.9-logx(y)=ln(x)ln(y)2.9−logx(y)=ln(x)ln(y)
y=128xy=128x
2.9-logx(y)=ln(x)ln(y)2.9−logx(y)=ln(x)ln(y)
y=128xy=128x
2.9-logx(y)=ln(x)ln(y)2.9−logx(y)=ln(x)ln(y)
y=128xy=128x
خطوة 1.2
اطرح 2.92.9 من كلا المتعادلين.
-logx(y)=ln(x)ln(y)-2.9−logx(y)=ln(x)ln(y)−2.9
y=128xy=128x
خطوة 1.3
اقسِم كل حد في -logx(y)=ln(x)ln(y)-2.9−logx(y)=ln(x)ln(y)−2.9 على -1−1 وبسّط.
خطوة 1.3.1
اقسِم كل حد في -logx(y)=ln(x)ln(y)-2.9−logx(y)=ln(x)ln(y)−2.9 على -1−1.
-logx(y)-1=ln(x)ln(y)-1+-2.9-1−logx(y)−1=ln(x)ln(y)−1+−2.9−1
y=128xy=128x
خطوة 1.3.2
بسّط الطرف الأيسر.
خطوة 1.3.2.1
قسمة قيمتين سالبتين على بعضهما البعض ينتج عنها قيمة موجبة.
logx(y)1=ln(x)ln(y)-1+-2.9-1logx(y)1=ln(x)ln(y)−1+−2.9−1
y=128xy=128x
خطوة 1.3.2.2
اقسِم logx(y)logx(y) على 11.
logx(y)=ln(x)ln(y)-1+-2.9-1logx(y)=ln(x)ln(y)−1+−2.9−1
y=128xy=128x
logx(y)=ln(x)ln(y)-1+-2.9-1logx(y)=ln(x)ln(y)−1+−2.9−1
y=128xy=128x
خطوة 1.3.3
بسّط الطرف الأيمن.
خطوة 1.3.3.1
بسّط كل حد.
خطوة 1.3.3.1.1
انقُل العدد سالب واحد من قاسم ln(x)ln(y)-1ln(x)ln(y)−1.
logx(y)=-1⋅ln(x)ln(y)+-2.9-1logx(y)=−1⋅ln(x)ln(y)+−2.9−1
y=128xy=128x
خطوة 1.3.3.1.2
أعِد كتابة -1⋅ln(x)ln(y)−1⋅ln(x)ln(y) بالصيغة -ln(x)ln(y)−ln(x)ln(y).
logx(y)=-ln(x)ln(y)+-2.9-1logx(y)=−ln(x)ln(y)+−2.9−1
y=128xy=128x
خطوة 1.3.3.1.3
اقسِم -2.9−2.9 على -1−1.
logx(y)=-ln(x)ln(y)+2.9logx(y)=−ln(x)ln(y)+2.9
y=128xy=128x
logx(y)=-ln(x)ln(y)+2.9logx(y)=−ln(x)ln(y)+2.9
y=128xy=128x
logx(y)=-ln(x)ln(y)+2.9logx(y)=−ln(x)ln(y)+2.9
y=128xy=128x
logx(y)=-ln(x)ln(y)+2.9logx(y)=−ln(x)ln(y)+2.9
y=128xy=128x
logx(y)=-ln(x)ln(y)+2.9logx(y)=−ln(x)ln(y)+2.9
y=128xy=128x
خطوة 2
خطوة 2.1
بسّط -log-ln(x)ln(y)+2.9(x)log-ln(x)ln(y)+2.9(log-ln(x)ln(y)+2.9(x))+2.9−log−ln(x)ln(y)+2.9(x)log−ln(x)ln(y)+2.9(log−ln(x)ln(y)+2.9(x))+2.9.
خطوة 2.1.1
بسّط كل حد.
خطوة 2.1.1.1
بسّط بَسْط الكسر.
خطوة 2.1.1.1.1
لكتابة 2.92.9 على هيئة كسر بقاسم مشترك، اضرب في ln(y)ln(y)ln(y)ln(y).
logx(log-ln(x)ln(y)+2.9(x))=-log-ln(x)ln(y)+2.9⋅ln(y)ln(y)(x)log-ln(x)ln(y)+2.9(log-ln(x)ln(y)+2.9(x))+2.9logx(log−ln(x)ln(y)+2.9(x))=−log−ln(x)ln(y)+2.9⋅ln(y)ln(y)(x)log−ln(x)ln(y)+2.9(log−ln(x)ln(y)+2.9(x))+2.9
y=128xy=128x
خطوة 2.1.1.1.2
اجمع 2.92.9 وln(y)ln(y)ln(y)ln(y).
logx(log-ln(x)ln(y)+2.9(x))=-log-ln(x)ln(y)+2.9ln(y)ln(y)(x)log-ln(x)ln(y)+2.9(log-ln(x)ln(y)+2.9(x))+2.9logx(log−ln(x)ln(y)+2.9(x))=−log−ln(x)ln(y)+2.9ln(y)ln(y)(x)log−ln(x)ln(y)+2.9(log−ln(x)ln(y)+2.9(x))+2.9
y=128xy=128x
خطوة 2.1.1.1.3
اجمع البسوط على القاسم المشترك.
logx(log-ln(x)ln(y)+2.9(x))=-log-ln(x)+2.9ln(y)ln(y)(x)log-ln(x)ln(y)+2.9(log-ln(x)ln(y)+2.9(x))+2.9logx(log−ln(x)ln(y)+2.9(x))=−log−ln(x)+2.9ln(y)ln(y)(x)log−ln(x)ln(y)+2.9(log−ln(x)ln(y)+2.9(x))+2.9
y=128xy=128x
خطوة 2.1.1.1.4
بسّط بَسْط الكسر.
خطوة 2.1.1.1.4.1
أخرِج العامل 0.10.1 من -ln(x)+2.9ln(y)−ln(x)+2.9ln(y).
خطوة 2.1.1.1.4.1.1
أخرِج العامل 0.10.1 من -ln(x)−ln(x).
logx(log-ln(x)ln(y)+2.9(x))=-log0.1(-10ln(x))+2.9ln(y)ln(y)(x)log-ln(x)ln(y)+2.9(log-ln(x)ln(y)+2.9(x))+2.9logx(log−ln(x)ln(y)+2.9(x))=−log0.1(−10ln(x))+2.9ln(y)ln(y)(x)log−ln(x)ln(y)+2.9(log−ln(x)ln(y)+2.9(x))+2.9
y=128xy=128x
خطوة 2.1.1.1.4.1.2
أخرِج العامل 0.10.1 من 2.9ln(y)2.9ln(y).
logx(log-ln(x)ln(y)+2.9(x))=-log0.1(-10ln(x))+0.1(29ln(y))ln(y)(x)log-ln(x)ln(y)+2.9(log-ln(x)ln(y)+2.9(x))+2.9logx(log−ln(x)ln(y)+2.9(x))=−log0.1(−10ln(x))+0.1(29ln(y))ln(y)(x)log−ln(x)ln(y)+2.9(log−ln(x)ln(y)+2.9(x))+2.9
y=128xy=128x
خطوة 2.1.1.1.4.1.3
أخرِج العامل 0.10.1 من 0.1(-10ln(x))+0.1(29ln(y))0.1(−10ln(x))+0.1(29ln(y)).
logx(log-ln(x)ln(y)+2.9(x))=-log0.1(-10ln(x)+29ln(y))ln(y)(x)log-ln(x)ln(y)+2.9(log-ln(x)ln(y)+2.9(x))+2.9logx(log−ln(x)ln(y)+2.9(x))=−log0.1(−10ln(x)+29ln(y))ln(y)(x)log−ln(x)ln(y)+2.9(log−ln(x)ln(y)+2.9(x))+2.9
y=128xy=128x
logx(log-ln(x)ln(y)+2.9(x))=-log0.1(-10ln(x)+29ln(y))ln(y)(x)log-ln(x)ln(y)+2.9(log-ln(x)ln(y)+2.9(x))+2.9logx(log−ln(x)ln(y)+2.9(x))=−log0.1(−10ln(x)+29ln(y))ln(y)(x)log−ln(x)ln(y)+2.9(log−ln(x)ln(y)+2.9(x))+2.9
y=128xy=128x
خطوة 2.1.1.1.4.2
بسّط -10ln(x)−10ln(x) بنقل 1010 داخل اللوغاريتم.
logx(log-ln(x)ln(y)+2.9(x))=-log0.1(-ln(x10)+29ln(y))ln(y)(x)log-ln(x)ln(y)+2.9(log-ln(x)ln(y)+2.9(x))+2.9logx(log−ln(x)ln(y)+2.9(x))=−log0.1(−ln(x10)+29ln(y))ln(y)(x)log−ln(x)ln(y)+2.9(log−ln(x)ln(y)+2.9(x))+2.9
y=128xy=128x
خطوة 2.1.1.1.4.3
بسّط 29ln(y)29ln(y) بنقل 2929 داخل اللوغاريتم.
logx(log-ln(x)ln(y)+2.9(x))=-log0.1(-ln(x10)+ln(y29))ln(y)(x)log-ln(x)ln(y)+2.9(log-ln(x)ln(y)+2.9(x))+2.9logx(log−ln(x)ln(y)+2.9(x))=−log0.1(−ln(x10)+ln(y29))ln(y)(x)log−ln(x)ln(y)+2.9(log−ln(x)ln(y)+2.9(x))+2.9
y=128xy=128x
logx(log-ln(x)ln(y)+2.9(x))=-log0.1(-ln(x10)+ln(y29))ln(y)(x)log-ln(x)ln(y)+2.9(log-ln(x)ln(y)+2.9(x))+2.9logx(log−ln(x)ln(y)+2.9(x))=−log0.1(−ln(x10)+ln(y29))ln(y)(x)log−ln(x)ln(y)+2.9(log−ln(x)ln(y)+2.9(x))+2.9
y=128xy=128x
logx(log-ln(x)ln(y)+2.9(x))=-log0.1(-ln(x10)+ln(y29))ln(y)(x)log-ln(x)ln(y)+2.9(log-ln(x)ln(y)+2.9(x))+2.9logx(log−ln(x)ln(y)+2.9(x))=−log0.1(−ln(x10)+ln(y29))ln(y)(x)log−ln(x)ln(y)+2.9(log−ln(x)ln(y)+2.9(x))+2.9
y=128xy=128x
خطوة 2.1.1.2
بسّط القاسم.
خطوة 2.1.1.2.1
لكتابة 2.92.9 على هيئة كسر بقاسم مشترك، اضرب في ln(y)ln(y)ln(y)ln(y).
logx(log-ln(x)ln(y)+2.9(x))=-log0.1(-ln(x10)+ln(y29))ln(y)(x)log-ln(x)ln(y)+2.9⋅ln(y)ln(y)(log-ln(x)ln(y)+2.9(x))+2.9logx(log−ln(x)ln(y)+2.9(x))=−log0.1(−ln(x10)+ln(y29))ln(y)(x)log−ln(x)ln(y)+2.9⋅ln(y)ln(y)(log−ln(x)ln(y)+2.9(x))+2.9
y=128xy=128x
خطوة 2.1.1.2.2
اجمع 2.92.9 وln(y)ln(y)ln(y)ln(y).
logx(log-ln(x)ln(y)+2.9(x))=-log0.1(-ln(x10)+ln(y29))ln(y)(x)log-ln(x)ln(y)+2.9ln(y)ln(y)(log-ln(x)ln(y)+2.9(x))+2.9logx(log−ln(x)ln(y)+2.9(x))=−log0.1(−ln(x10)+ln(y29))ln(y)(x)log−ln(x)ln(y)+2.9ln(y)ln(y)(log−ln(x)ln(y)+2.9(x))+2.9
y=128xy=128x
خطوة 2.1.1.2.3
اجمع البسوط على القاسم المشترك.
logx(log-ln(x)ln(y)+2.9(x))=-log0.1(-ln(x10)+ln(y29))ln(y)(x)log-ln(x)+2.9ln(y)ln(y)(log-ln(x)ln(y)+2.9(x))+2.9logx(log−ln(x)ln(y)+2.9(x))=−log0.1(−ln(x10)+ln(y29))ln(y)(x)log−ln(x)+2.9ln(y)ln(y)(log−ln(x)ln(y)+2.9(x))+2.9
y=128xy=128x
خطوة 2.1.1.2.4
بسّط بَسْط الكسر.
خطوة 2.1.1.2.4.1
أخرِج العامل 0.10.1 من -ln(x)+2.9ln(y)−ln(x)+2.9ln(y).
خطوة 2.1.1.2.4.1.1
أخرِج العامل 0.10.1 من -ln(x)−ln(x).
logx(log-ln(x)ln(y)+2.9(x))=-log0.1(-ln(x10)+ln(y29))ln(y)(x)log0.1(-10ln(x))+2.9ln(y)ln(y)(log-ln(x)ln(y)+2.9(x))+2.9logx(log−ln(x)ln(y)+2.9(x))=−log0.1(−ln(x10)+ln(y29))ln(y)(x)log0.1(−10ln(x))+2.9ln(y)ln(y)(log−ln(x)ln(y)+2.9(x))+2.9
y=128xy=128x
خطوة 2.1.1.2.4.1.2
أخرِج العامل 0.10.1 من 2.9ln(y)2.9ln(y).
logx(log-ln(x)ln(y)+2.9(x))=-log0.1(-ln(x10)+ln(y29))ln(y)(x)log0.1(-10ln(x))+0.1(29ln(y))ln(y)(log-ln(x)ln(y)+2.9(x))+2.9logx(log−ln(x)ln(y)+2.9(x))=−log0.1(−ln(x10)+ln(y29))ln(y)(x)log0.1(−10ln(x))+0.1(29ln(y))ln(y)(log−ln(x)ln(y)+2.9(x))+2.9
y=128xy=128x
خطوة 2.1.1.2.4.1.3
أخرِج العامل 0.10.1 من 0.1(-10ln(x))+0.1(29ln(y))0.1(−10ln(x))+0.1(29ln(y)).
logx(log-ln(x)ln(y)+2.9(x))=-log0.1(-ln(x10)+ln(y29))ln(y)(x)log0.1(-10ln(x)+29ln(y))ln(y)(log-ln(x)ln(y)+2.9(x))+2.9logx(log−ln(x)ln(y)+2.9(x))=−log0.1(−ln(x10)+ln(y29))ln(y)(x)log0.1(−10ln(x)+29ln(y))ln(y)(log−ln(x)ln(y)+2.9(x))+2.9
y=128x
logx(log-ln(x)ln(y)+2.9(x))=-log0.1(-ln(x10)+ln(y29))ln(y)(x)log0.1(-10ln(x)+29ln(y))ln(y)(log-ln(x)ln(y)+2.9(x))+2.9
y=128x
خطوة 2.1.1.2.4.2
بسّط -10ln(x) بنقل 10 داخل اللوغاريتم.
logx(log-ln(x)ln(y)+2.9(x))=-log0.1(-ln(x10)+ln(y29))ln(y)(x)log0.1(-ln(x10)+29ln(y))ln(y)(log-ln(x)ln(y)+2.9(x))+2.9
y=128x
خطوة 2.1.1.2.4.3
بسّط 29ln(y) بنقل 29 داخل اللوغاريتم.
logx(log-ln(x)ln(y)+2.9(x))=-log0.1(-ln(x10)+ln(y29))ln(y)(x)log0.1(-ln(x10)+ln(y29))ln(y)(log-ln(x)ln(y)+2.9(x))+2.9
y=128x
logx(log-ln(x)ln(y)+2.9(x))=-log0.1(-ln(x10)+ln(y29))ln(y)(x)log0.1(-ln(x10)+ln(y29))ln(y)(log-ln(x)ln(y)+2.9(x))+2.9
y=128x
خطوة 2.1.1.2.5
لكتابة 2.9 على هيئة كسر بقاسم مشترك، اضرب في ln(y)ln(y).
logx(log-ln(x)ln(y)+2.9(x))=-log0.1(-ln(x10)+ln(y29))ln(y)(x)log0.1(-ln(x10)+ln(y29))ln(y)(log-ln(x)ln(y)+2.9⋅ln(y)ln(y)(x))+2.9
y=128x
خطوة 2.1.1.2.6
اجمع 2.9 وln(y)ln(y).
logx(log-ln(x)ln(y)+2.9(x))=-log0.1(-ln(x10)+ln(y29))ln(y)(x)log0.1(-ln(x10)+ln(y29))ln(y)(log-ln(x)ln(y)+2.9ln(y)ln(y)(x))+2.9
y=128x
خطوة 2.1.1.2.7
اجمع البسوط على القاسم المشترك.
logx(log-ln(x)ln(y)+2.9(x))=-log0.1(-ln(x10)+ln(y29))ln(y)(x)log0.1(-ln(x10)+ln(y29))ln(y)(log-ln(x)+2.9ln(y)ln(y)(x))+2.9
y=128x
خطوة 2.1.1.2.8
بسّط بَسْط الكسر.
خطوة 2.1.1.2.8.1
أخرِج العامل 0.1 من -ln(x)+2.9ln(y).
خطوة 2.1.1.2.8.1.1
أخرِج العامل 0.1 من -ln(x).
logx(log-ln(x)ln(y)+2.9(x))=-log0.1(-ln(x10)+ln(y29))ln(y)(x)log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-10ln(x))+2.9ln(y)ln(y)(x))+2.9
y=128x
خطوة 2.1.1.2.8.1.2
أخرِج العامل 0.1 من 2.9ln(y).
logx(log-ln(x)ln(y)+2.9(x))=-log0.1(-ln(x10)+ln(y29))ln(y)(x)log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-10ln(x))+0.1(29ln(y))ln(y)(x))+2.9
y=128x
خطوة 2.1.1.2.8.1.3
أخرِج العامل 0.1 من 0.1(-10ln(x))+0.1(29ln(y)).
logx(log-ln(x)ln(y)+2.9(x))=-log0.1(-ln(x10)+ln(y29))ln(y)(x)log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-10ln(x)+29ln(y))ln(y)(x))+2.9
y=128x
logx(log-ln(x)ln(y)+2.9(x))=-log0.1(-ln(x10)+ln(y29))ln(y)(x)log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-10ln(x)+29ln(y))ln(y)(x))+2.9
y=128x
خطوة 2.1.1.2.8.2
بسّط -10ln(x) بنقل 10 داخل اللوغاريتم.
logx(log-ln(x)ln(y)+2.9(x))=-log0.1(-ln(x10)+ln(y29))ln(y)(x)log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+29ln(y))ln(y)(x))+2.9
y=128x
خطوة 2.1.1.2.8.3
بسّط 29ln(y) بنقل 29 داخل اللوغاريتم.
logx(log-ln(x)ln(y)+2.9(x))=-log0.1(-ln(x10)+ln(y29))ln(y)(x)log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+ln(y29))ln(y)(x))+2.9
y=128x
logx(log-ln(x)ln(y)+2.9(x))=-log0.1(-ln(x10)+ln(y29))ln(y)(x)log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+ln(y29))ln(y)(x))+2.9
y=128x
logx(log-ln(x)ln(y)+2.9(x))=-log0.1(-ln(x10)+ln(y29))ln(y)(x)log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+ln(y29))ln(y)(x))+2.9
y=128x
logx(log-ln(x)ln(y)+2.9(x))=-log0.1(-ln(x10)+ln(y29))ln(y)(x)log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+ln(y29))ln(y)(x))+2.9
y=128x
خطوة 2.1.2
لكتابة 2.9 على هيئة كسر بقاسم مشترك، اضرب في log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+ln(y29))ln(y)(x))log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+ln(y29))ln(y)(x)).
logx(log-ln(x)ln(y)+2.9(x))=-log0.1(-ln(x10)+ln(y29))ln(y)(x)log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+ln(y29))ln(y)(x))+2.9⋅log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+ln(y29))ln(y)(x))log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+ln(y29))ln(y)(x))
y=128x
خطوة 2.1.3
بسّط الحدود.
خطوة 2.1.3.1
اجمع 2.9 وlog0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+ln(y29))ln(y)(x))log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+ln(y29))ln(y)(x)).
logx(log-ln(x)ln(y)+2.9(x))=-log0.1(-ln(x10)+ln(y29))ln(y)(x)log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+ln(y29))ln(y)(x))+2.9log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+ln(y29))ln(y)(x))log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+ln(y29))ln(y)(x))
y=128x
خطوة 2.1.3.2
اجمع البسوط على القاسم المشترك.
logx(log-ln(x)ln(y)+2.9(x))=-log0.1(-ln(x10)+ln(y29))ln(y)(x)+2.9log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+ln(y29))ln(y)(x))log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+ln(y29))ln(y)(x))
y=128x
logx(log-ln(x)ln(y)+2.9(x))=-log0.1(-ln(x10)+ln(y29))ln(y)(x)+2.9log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+ln(y29))ln(y)(x))log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+ln(y29))ln(y)(x))
y=128x
خطوة 2.1.4
بسّط بَسْط الكسر.
خطوة 2.1.4.1
أخرِج العامل 0.1 من -log0.1(-ln(x10)+ln(y29))ln(y)(x)+2.9log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+ln(y29))ln(y)(x)).
خطوة 2.1.4.1.1
أخرِج العامل 0.1 من -log0.1(-ln(x10)+ln(y29))ln(y)(x).
logx(log-ln(x)ln(y)+2.9(x))=0.1(-10log0.1(-ln(x10)+ln(y29))ln(y)(x))+2.9log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+ln(y29))ln(y)(x))log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+ln(y29))ln(y)(x))
y=128x
خطوة 2.1.4.1.2
أخرِج العامل 0.1 من 2.9log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+ln(y29))ln(y)(x)).
logx(log-ln(x)ln(y)+2.9(x))=0.1(-10log0.1(-ln(x10)+ln(y29))ln(y)(x))+0.1(29log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+ln(y29))ln(y)(x)))log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+ln(y29))ln(y)(x))
y=128x
خطوة 2.1.4.1.3
أخرِج العامل 0.1 من 0.1(-10log0.1(-ln(x10)+ln(y29))ln(y)(x))+0.1(29log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+ln(y29))ln(y)(x))).
logx(log-ln(x)ln(y)+2.9(x))=0.1(-10log0.1(-ln(x10)+ln(y29))ln(y)(x)+29log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+ln(y29))ln(y)(x)))log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+ln(y29))ln(y)(x))
y=128x
logx(log-ln(x)ln(y)+2.9(x))=0.1(-10log0.1(-ln(x10)+ln(y29))ln(y)(x)+29log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+ln(y29))ln(y)(x)))log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+ln(y29))ln(y)(x))
y=128x
خطوة 2.1.4.2
بسّط -10log0.1(-ln(x10)+ln(y29))ln(y)(x) بنقل 10 داخل اللوغاريتم.
logx(log-ln(x)ln(y)+2.9(x))=0.1(-log0.1(-ln(x10)+ln(y29))ln(y)(x10)+29log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+ln(y29))ln(y)(x)))log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+ln(y29))ln(y)(x))
y=128x
خطوة 2.1.4.3
بسّط 29log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+ln(y29))ln(y)(x)) بنقل 29 داخل اللوغاريتم.
logx(log-ln(x)ln(y)+2.9(x))=0.1(-log0.1(-ln(x10)+ln(y29))ln(y)(x10)+log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+ln(y29))ln(y)29(x)))log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+ln(y29))ln(y)(x))
y=128x
logx(log-ln(x)ln(y)+2.9(x))=0.1(-log0.1(-ln(x10)+ln(y29))ln(y)(x10)+log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+ln(y29))ln(y)29(x)))log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+ln(y29))ln(y)(x))
y=128x
خطوة 2.1.5
بسّط بالتحليل إلى عوامل.
خطوة 2.1.5.1
أخرِج العامل -1 من -log0.1(-ln(x10)+ln(y29))ln(y)(x10).
logx(log-ln(x)ln(y)+2.9(x))=0.1(-(log0.1(-ln(x10)+ln(y29))ln(y)(x10))+log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+ln(y29))ln(y)29(x)))log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+ln(y29))ln(y)(x))
y=128x
خطوة 2.1.5.2
أخرِج العامل -1 من log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+ln(y29))ln(y)29(x)).
logx(log-ln(x)ln(y)+2.9(x))=0.1(-(log0.1(-ln(x10)+ln(y29))ln(y)(x10))-1(-log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+ln(y29))ln(y)29(x))))log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+ln(y29))ln(y)(x))
y=128x
خطوة 2.1.5.3
أخرِج العامل -1 من -(log0.1(-ln(x10)+ln(y29))ln(y)(x10))-1(-log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+ln(y29))ln(y)29(x))).
logx(log-ln(x)ln(y)+2.9(x))=0.1(-(log0.1(-ln(x10)+ln(y29))ln(y)(x10)-log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+ln(y29))ln(y)29(x))))log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+ln(y29))ln(y)(x))
y=128x
خطوة 2.1.5.4
بسّط العبارة.
خطوة 2.1.5.4.1
أعِد كتابة -(log0.1(-ln(x10)+ln(y29))ln(y)(x10)-log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+ln(y29))ln(y)29(x))) بالصيغة -1(log0.1(-ln(x10)+ln(y29))ln(y)(x10)-log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+ln(y29))ln(y)29(x))).
logx(log-ln(x)ln(y)+2.9(x))=0.1(-1(log0.1(-ln(x10)+ln(y29))ln(y)(x10)-log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+ln(y29))ln(y)29(x))))log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+ln(y29))ln(y)(x))
y=128x
خطوة 2.1.5.4.2
انقُل السالب أمام الكسر.
logx(log-ln(x)ln(y)+2.9(x))=-0.1(log0.1(-ln(x10)+ln(y29))ln(y)(x10)-log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+ln(y29))ln(y)29(x)))log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+ln(y29))ln(y)(x))
y=128x
logx(log-ln(x)ln(y)+2.9(x))=-0.1(log0.1(-ln(x10)+ln(y29))ln(y)(x10)-log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+ln(y29))ln(y)29(x)))log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+ln(y29))ln(y)(x))
y=128x
logx(log-ln(x)ln(y)+2.9(x))=-0.1(log0.1(-ln(x10)+ln(y29))ln(y)(x10)-log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+ln(y29))ln(y)29(x)))log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+ln(y29))ln(y)(x))
y=128x
logx(log-ln(x)ln(y)+2.9(x))=-0.1(log0.1(-ln(x10)+ln(y29))ln(y)(x10)-log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+ln(y29))ln(y)29(x)))log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+ln(y29))ln(y)(x))
y=128x
logx(log-ln(x)ln(y)+2.9(x))=-0.1(log0.1(-ln(x10)+ln(y29))ln(y)(x10)-log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+ln(y29))ln(y)29(x)))log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+ln(y29))ln(y)(x))
y=128x
خطوة 3
خطوة 3.1
بسّط -0.1(log0.1(-ln(x10)+ln(y29))ln(y)(x10)-log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+ln(y29))ln(y)29(x)))log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+ln(y29))ln(y)(x)).
خطوة 3.1.1
استخدِم خاصية القسمة في اللوغاريتمات، logb(x)-logb(y)=logb(xy).
logx(log-ln(x)ln(y)+2.9(x))=-0.1log0.1(-ln(x10)+ln(y29))ln(y)(x10log0.1(-ln(x10)+ln(y29))ln(y)29(x))log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+ln(y29))ln(y)(x))
y=128x
خطوة 3.1.2
بسّط 0.1log0.1(-ln(x10)+ln(y29))ln(y)(x10log0.1(-ln(x10)+ln(y29))ln(y)29(x)) بنقل 0.1 داخل اللوغاريتم.
logx(log-ln(x)ln(y)+2.9(x))=-log0.1(-ln(x10)+ln(y29))ln(y)((x10log0.1(-ln(x10)+ln(y29))ln(y)29(x))0.1)log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+ln(y29))ln(y)(x))
y=128x
خطوة 3.1.3
بسّط بَسْط الكسر.
خطوة 3.1.3.1
طبّق قاعدة الضرب على x10log0.1(-ln(x10)+ln(y29))ln(y)29(x).
logx(log-ln(x)ln(y)+2.9(x))=-log0.1(-ln(x10)+ln(y29))ln(y)((x10)0.1(log0.1(-ln(x10)+ln(y29))ln(y)29(x))0.1)log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+ln(y29))ln(y)(x))
y=128x
خطوة 3.1.3.2
بسّط بَسْط الكسر.
خطوة 3.1.3.2.1
اضرب الأُسس في (x10)0.1.
خطوة 3.1.3.2.1.1
طبّق قاعدة القوة واضرب الأُسس، (am)n=amn.
logx(log-ln(x)ln(y)+2.9(x))=-log0.1(-ln(x10)+ln(y29))ln(y)(x10⋅0.1(log0.1(-ln(x10)+ln(y29))ln(y)29(x))0.1)log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+ln(y29))ln(y)(x))
y=128x
خطوة 3.1.3.2.1.2
اضرب 10 في 0.1.
logx(log-ln(x)ln(y)+2.9(x))=-log0.1(-ln(x10)+ln(y29))ln(y)(x(log0.1(-ln(x10)+ln(y29))ln(y)29(x))0.1)log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+ln(y29))ln(y)(x))
y=128x
logx(log-ln(x)ln(y)+2.9(x))=-log0.1(-ln(x10)+ln(y29))ln(y)(x(log0.1(-ln(x10)+ln(y29))ln(y)29(x))0.1)log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+ln(y29))ln(y)(x))
y=128x
خطوة 3.1.3.2.2
بسّط.
logx(log-ln(x)ln(y)+2.9(x))=-log0.1(-ln(x10)+ln(y29))ln(y)(x(log0.1(-ln(x10)+ln(y29))ln(y)29(x))0.1)log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+ln(y29))ln(y)(x))
y=128x
logx(log-ln(x)ln(y)+2.9(x))=-log0.1(-ln(x10)+ln(y29))ln(y)(x(log0.1(-ln(x10)+ln(y29))ln(y)29(x))0.1)log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+ln(y29))ln(y)(x))
y=128x
خطوة 3.1.3.3
اضرب الأُسس في (log0.1(-ln(x10)+ln(y29))ln(y)29(x))0.1.
خطوة 3.1.3.3.1
طبّق قاعدة القوة واضرب الأُسس، (am)n=amn.
logx(log-ln(x)ln(y)+2.9(x))=-log0.1(-ln(x10)+ln(y29))ln(y)(x(log0.1(-ln(x10)+ln(y29))ln(y)(x))29⋅0.1)log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+ln(y29))ln(y)(x))
y=128x
خطوة 3.1.3.3.2
اضرب 29 في 0.1.
logx(log-ln(x)ln(y)+2.9(x))=-log0.1(-ln(x10)+ln(y29))ln(y)(xlog0.1(-ln(x10)+ln(y29))ln(y)2.9(x))log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+ln(y29))ln(y)(x))
y=128x
logx(log-ln(x)ln(y)+2.9(x))=-log0.1(-ln(x10)+ln(y29))ln(y)(xlog0.1(-ln(x10)+ln(y29))ln(y)2.9(x))log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+ln(y29))ln(y)(x))
y=128x
logx(log-ln(x)ln(y)+2.9(x))=-log0.1(-ln(x10)+ln(y29))ln(y)(xlog0.1(-ln(x10)+ln(y29))ln(y)2.9(x))log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+ln(y29))ln(y)(x))
y=128x
logx(log-ln(x)ln(y)+2.9(x))=-log0.1(-ln(x10)+ln(y29))ln(y)(xlog0.1(-ln(x10)+ln(y29))ln(y)2.9(x))log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+ln(y29))ln(y)(x))
y=128x
logx(log-ln(x)ln(y)+2.9(x))=-log0.1(-ln(x10)+ln(y29))ln(y)(xlog0.1(-ln(x10)+ln(y29))ln(y)2.9(x))log0.1(-ln(x10)+ln(y29))ln(y)(log0.1(-ln(x10)+ln(y29))ln(y)(x))
y=128x