Mathway | Problèmes fréquents

Problèmes fréquents

Rang	Matière	Problème	Problème de formatage
2901	Resolva para x	base logarithmique 6 de x+31- base logarithmique 6 de x-4=2	$\log_{6} (x + 31) - \log_{6} (x - 4) = 2$
2902	Resolva para x	base logarithmique 6 de x+ base logarithmique 6 de x-3=2	$\log_{6} (x) + \log_{6} (x - 3) = 2$
2903	Resolva para x	base logarithmique 5 de x+4+ base logarithmique 5 de 8 = base logarithmique 5 de 64	$\log_{5} (x + 4) + \log_{5} (8) = \log_{5} (64)$
2904	Resolva para x	base logarithmique 6 de x^2+5 = base logarithmique 6 de 41	$\log_{6} (x^{2} + 5) = \log_{6} (41)$
2905	Resolva para x	base logarithmique 3 de 2x-1- base logarithmique 3 de x-4=2	$\log_{3} (2 x - 1) - \log_{3} (x - 4) = 2$
2906	Resolva para x	base logarithmique 3 de 7x=2	$\log_{3} (7 x) = 2$
2907	Resolva para x	base logarithmique 20 de x^2-x=1	$\log_{20} (x^{2} - x) = 1$
2908	Resolva para x	base logarithmique 3 de x^2-4x-36=2	$\log_{3} (x^{2} - 4 x - 36) = 2$
2909	Resolva para x	base logarithmique 3 de x-2 = base logarithmique 3 de x+6+2	$\log_{3} (x - 2) = \log_{3} (x + 6) + 2$
2910	Resolva para x	base logarithmique 3 de x+19- base logarithmique 3 de x-7=3	$\log_{3} (x + 19) - \log_{3} (x - 7) = 3$
2911	Resolva para x	base logarithmique 3 de x+1+ base logarithmique 3 de x-5=3	$\log_{3} (x + 1) + \log_{3} (x - 5) = 3$
2912	Resolva para x	x^3+1331=0	$x^{3} + 1331 = 0$
2913	Resolva para x	base logarithmique 3 de x=2- base logarithmique 3 de x-8	$\log_{3} (x) = 2 - \log_{3} (x - 8)$
2914	Resolva para x	base logarithmique 5 de 4x+12- base logarithmique 5 de x-13=3	$\log_{5} (4 x + 12) - \log_{5} (x - 13) = 3$
2915	Resolva para x	base logarithmique 5 de x+ base logarithmique 3 de x=1	$\log_{5} (x) + \log_{3} (x) = 1$
2916	Resolva para x	base logarithmique 4 de x^2+3x- base logarithmique 4 de x+5=1	$\log_{4} (x^{2} + 3 x) - \log_{4} (x + 5) = 1$
2917	Resolva para x	base logarithmique 4 de 8x- base logarithmique 4 de x-1=2	$\log_{4} (8 x) - \log_{4} (x - 1) = 2$
2918	Resolva para x	base logarithmique 2 de x-1- base logarithmique 2 de x+3 = base logarithmique 2 de 1/x	$\log_{2} (x - 1) - \log_{2} (x + 3) = \log_{2} (\frac{1}{x})$
2919	Resolva para x	base logarithmique 2 de x-3=-2	$\log_{2} (x - 3) = - 2$
2920	Resolva para x	base logarithmique 2 de x+1- base logarithmique 4 de x=1	$\log_{2} (x + 1) - \log_{4} (x) = 1$
2921	Resolva para x	base logarithmique 2 de x+14- base logarithmique 2 de x-3=1	$\log_{2} (x + 14) - \log_{2} (x - 3) = 1$
2922	Resolva para x	base logarithmique 2 de 8x- base logarithmique 2 de x^2-1 = base logarithmique 2 de 3	$\log_{2} (8 x) - \log_{2} (x^{2} - 1) = \log_{2} (3)$
2923	Resolva para x	base logarithmique 16 de x+ base logarithmique 4 de x+ base logarithmique 2 de x=21	$\log_{16} (x) + \log_{4} (x) + \log_{2} (x) = 21$
2924	Resolva para x	base logarithmique 2 de x^2-4x-24=3	$\log_{2} (x^{2} - 4 x - 24) = 3$
2925	Resolva para x	base logarithmique 2 de x^2-4x-28=2	$\log_{2} (x^{2} - 4 x - 28) = 2$
2926	Resolva para x	base logarithmique 16 de x=-1/2	$\log_{16} (x) = - \frac{1}{2}$
2927	Resolva para x	base logarithmique 16 de x-4+ base logarithmique 16 de x+2=1	$\log_{16} (x - 4) + \log_{16} (x + 2) = 1$
2928	Resolva para x	base logarithmique 14 de x+49- base logarithmique 196 de x=1	$\log_{14} (x + 49) - \log_{196} (x) = 1$
2929	Resolva para x	e^(x+3)=7	$e^{x + 3} = 7$
2930	Resolva para x	e^(x-1)=(1/(e^2))^(x+5)	$e^{x - 1} = {(\frac{1}{e^{2}})}^{x + 5}$
2931	Resolva para x	5e^(0.2x)=7	$5 e^{0.2 x} = 7$
2932	Resolva para x	5e^(0.5x)=12	$5 e^{0.5 x} = 12$
2933	Resolva para x	5(2^x)=6	$5 (2^{x}) = 6$
2934	Resolva para x	5*18^(6x)=26	$5 \cdot 18^{6 x} = 26$
2935	Resolva para x	5+yi=x+3i	$5 + y i = x + 3 i$
2936	Resolva para x	4(x+h)=4(x+h^2+2+h)	$4 (x + h) = 4 (x + h^{2} + 2 + h)$
2937	Resolva para x	3x-19=0	$3 x - 19 = 0$
2938	Resolva para x	3500=700*2^(8x)	$3500 = 700 \cdot 2^{8 x}$
2939	Resolva para x	3 logarithme népérien de x-3=1	$3 \ln (x - 3) = 1$
2940	Resolva para x	3cos(x)-2=0	$3 \cos (x) - 2 = 0$
2941	Resolva para x	3 logarithme de 3-x=1-x	$3 \log (3 - x) = 1 - x$
2942	Resolva para x	4 racine carrée de x-3=0	$4 \sqrt{x} - 3 = 0$
2943	Resolva para x	4 base logarithmique 3 de x=28	$4 \log_{3} (x) = 28$
2944	Resolva para x	4e^(7x)=10273	$4 e^{7 x} = 10273$
2945	Resolva para x	4 = racine carrée de -6-2x+ racine carrée de 31-3x	$4 = \sqrt{- 6 - 2 x} + \sqrt{31 - 3 x}$
2946	Resolva para X	4 logarithme népérien de 3X=15	$4 \ln (3 X) = 15$
2947	Resolva para x	4 logarithme népérien de 3x=16	$4 \ln (3 x) = 16$
2948	Resolva para x	27=x^(3/2)	$27 = x^{\frac{3}{2}}$
2949	Resolva para x	27=3^(5x)*9^(x^2)	$27 = 3^{5 x} \cdot 9^{x^{2}}$
2950	Resolva para x	racine carrée de 2 racine carrée de 2x+3 = racine carrée de x+3	$\sqrt{2 \sqrt{2 x + 3}} = \sqrt{x + 3}$
2951	Resolva para x	2cos(x+ racine carrée de 3)=0	$2 \cos (x + \sqrt{3}) = 0$
2952	Resolva para x	(x-7)^2=(x+3)^2	${(x - 7)}^{2} = {(x + 3)}^{2}$
2953	Resolva para x	2cos(3x)=1	$2 \cos (3 x) = 1$
2954	Resolva para x	-2sin(x)=-sin(x)cos(x)	$- 2 \sin (x) = - \sin (x) \cos (x)$
2955	Resolva para x	2 logarithme népérien de x=7	$2 \ln (x) = 7$
2956	Resolva para x	2 logarithme népérien de x = logarithme népérien de 3+ logarithme népérien de x+6	$2 \ln (x) = \ln (3) + \ln (x + 6)$
2957	Resolva para x	2 logarithme népérien de x+2=6	$2 \ln (x + 2) = 6$
2958	Resolva para x	200=50e^(3x)	$200 = 50 e^{3 x}$
2959	Resolva para x	2+13sin(x)=14cos(x)^2	$2 + 13 \sin (x) = 14 \cos^{2} (x)$
2960	Resolva para x	2x^2+5x=8	$2 x^{2} + 5 x = 8$
2961	Resolva para x	2x^2-x-21=0	$2 x^{2} - x - 21 = 0$
2962	Resolva para x	2+3 logarithme népérien de x=12	$2 + 3 \ln (x) = 12$
2963	Resolva para x	3sin(x)^2-8sin(x)-3=0	$3 \sin^{2} (x) - 8 \sin (x) - 3 = 0$
2964	Resolva para x	3x^(1/2)+5x^(1/4)-2=0	$3 x^{\frac{1}{2}} + 5 x^{\frac{1}{4}} - 2 = 0$
2965	Resolva para x	3(2^x)=6	$3 (2^{x}) = 6$
2966	Resolva para x	2x logarithme népérien de 1/x-x=0	$2 x \ln (\frac{1}{x}) - x = 0$
2967	Resolva para x	2x logarithme népérien de x+x=0	$2 x \ln (x) + x = 0$
2968	Resolva para x	2x-3=4x-5	$2 x - 3 = 4 x - 5$
2969	Resolva para x	2x+1=5/(x+2)	$2 x + 1 = \frac{5}{x + 2}$
2970	Resolva para x	3(x+1)=8(x-1)+5	$3 (x + 1) = 8 (x - 1) + 5$
2971	Resolva para x	3(3x-1)^2=21	$3 {(3 x - 1)}^{2} = 21$
2972	Resolva para x	-2 base logarithmique 4 de x = base logarithmique 4 de 9	$- 2 \log_{4} (x) = \log_{4} (9)$
2973	Resolva para x	2 base logarithmique 3 de x+4 = base logarithmique 3 de 9+2	$2 \log_{3} (x + 4) = \log_{3} (9) + 2$
2974	Resolva para x	2e^(2x)-7e^x+3=0	$2 e^{2 x} - 7 e^{x} + 3 = 0$
2975	Resolva para x	2e^x+e^x-15=0	$2 e^{x} + e^{x} - 15 = 0$
2976	Resolva para x	2e^(2x)+5e^x-3=0	$2 e^{2 x} + 5 e^{x} - 3 = 0$
2977	Resolva para x	2(6+6x)+2x=288	$2 (6 + 6 x) + 2 x = 288$
2978	Resolva para x	14+20 logarithme népérien de 7x=54	$14 + 20 \ln (7 x) = 54$
2979	Resolva para x	2-1/(x+1)=1/(x^2+x)	$2 - \frac{1}{x + 1} = \frac{1}{x^{2} + x}$
2980	Resolva para x	2arccos(x)=pi	$2 \arccos (x) = π$
2981	Resolva para x	2 base logarithmique 5 de x = base logarithmique 5 de 2+ base logarithmique 5 de 4+10	$2 \log_{5} (x) = \log_{5} (2) + \log_{5} (4 + 10)$
2982	Resolva para x	16^x-7*4^x+6=0	$16^{x} - 7 \cdot 4^{x} + 6 = 0$
2983	Resolva para x	2 base logarithmique 4 de x+4- base logarithmique 4 de x+12=1	$2 \log_{4} (x + 4) - \log_{4} (x + 12) = 1$
2984	Resolva para x	2sin(x)^2+13sin(x)+6=0	$2 \sin^{2} (x) + 13 \sin (x) + 6 = 0$
2985	Resolva para x	2x^2e^(2x)+2xe^(2x)=0	$2 x^{2} e^{2 x} + 2 x e^{2 x} = 0$
2986	Resolva para x	2 racine carrée de x+4=x+1	$2 \sqrt{x + 4} = x + 1$
2987	Resolva para x	2sin(x)^2-7sin(x)-4=0	$2 \sin^{2} (x) - 7 \sin (x) - 4 = 0$
2988	Resolva para x	racine carrée de 5x+24=x	$\sqrt{5 x + 24} = x$
2989	Resolva para x	15=5^(x+3)-7	$15 = 5^{x + 3} - 7$
2990	Resolva para x	11x^3+15x^2-25x+7=0	$11 x^{3} + 15 x^{2} - 25 x + 7 = 0$
2991	Resolva para x	1500(1.2)^x=3000	$1500 {(1.2)}^{x} = 3000$
2992	Resolva para x	16cos(x)^2=4	$16 \cos^{2} (x) = 4$
2993	Resolva para x	17=3^x	$17 = 3^{x}$
2994	Resolva para x	150=50e^(7x)	$150 = 50 e^{7 x}$
2995	Resolva para x	2(12^x)=190	$2 (12^{x}) = 190$
2996	Resolva para x	2*10^(2-x)=13	$2 \cdot 10^{2 - x} = 13$
2997	Resolva para x	1000=500e^(2x)	$1000 = 500 e^{2 x}$
2998	Resolva para x	1000e^(-4x)=2400	$1000 e^{- 4 x} = 2400$
2999	Resolva para x	0=2sin(x)cos(x)+cos(x)	$0 = 2 \sin (x) \cos (x) + \cos (x)$
3000	Resolva para x	xe^x+e^x=0	$x e^{x} + e^{x} = 0$