Calculus Examples

Evaluate the Integral integral of cos( natural log of x) with respect to x
Step 1
Let . Then , so . Rewrite using and .
Step 2
Reorder and .
Step 3
Integrate by parts using the formula , where and .
Step 4
Since is constant with respect to , move out of the integral.
Step 5
Simplify the expression.
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Step 5.1
Multiply by .
Step 5.2
Multiply by .
Step 5.3
Reorder and .
Step 6
Integrate by parts using the formula , where and .
Step 7
Solving for , we find that = .
Step 8
Rewrite as .
Step 9
Replace all occurrences of with .
Step 10
Simplify.
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Step 10.1
Exponentiation and log are inverse functions.
Step 10.2
Exponentiation and log are inverse functions.