Calculus Examples

Evaluate the Integral integral from 1 to 4 of 1/x-1/(x^2) with respect to x
Step 1
Split the single integral into multiple integrals.
Step 2
The integral of with respect to is .
Step 3
Since is constant with respect to , move out of the integral.
Step 4
Apply basic rules of exponents.
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Step 4.1
Move out of the denominator by raising it to the power.
Step 4.2
Multiply the exponents in .
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Step 4.2.1
Apply the power rule and multiply exponents, .
Step 4.2.2
Multiply by .
Step 5
By the Power Rule, the integral of with respect to is .
Step 6
Simplify the answer.
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Step 6.1
Substitute and simplify.
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Step 6.1.1
Evaluate at and at .
Step 6.1.2
Evaluate at and at .
Step 6.1.3
Simplify.
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Step 6.1.3.1
Rewrite the expression using the negative exponent rule .
Step 6.1.3.2
One to any power is one.
Step 6.1.3.3
Write as a fraction with a common denominator.
Step 6.1.3.4
Combine the numerators over the common denominator.
Step 6.1.3.5
Add and .
Step 6.2
Use the quotient property of logarithms, .
Step 6.3
Simplify.
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Step 6.3.1
The absolute value is the distance between a number and zero. The distance between and is .
Step 6.3.2
The absolute value is the distance between a number and zero. The distance between and is .
Step 6.3.3
Divide by .
Step 7
The result can be shown in multiple forms.
Exact Form:
Decimal Form:
Step 8