Calculus Examples

Find the Integral (x^4+9)^8(4x^3dx)
Step 1
Simplify.
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Step 1.1
Raise to the power of .
Step 1.2
Use the power rule to combine exponents.
Step 1.3
Add and .
Step 1.4
Move to the left of .
Step 2
Since is constant with respect to , move out of the integral.
Step 3
Let . Then , so . Rewrite using and .
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Step 3.1
Let . Find .
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Step 3.1.1
Differentiate .
Step 3.1.2
By the Sum Rule, the derivative of with respect to is .
Step 3.1.3
Differentiate using the Power Rule which states that is where .
Step 3.1.4
Since is constant with respect to , the derivative of with respect to is .
Step 3.1.5
Add and .
Step 3.2
Rewrite the problem using and .
Step 4
Simplify.
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Step 4.1
Combine and .
Step 4.2
Combine and .
Step 5
Since is constant with respect to , move out of the integral.
Step 6
Simplify.
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Step 6.1
Combine and .
Step 6.2
Combine and .
Step 6.3
Cancel the common factor of .
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Step 6.3.1
Cancel the common factor.
Step 6.3.2
Divide by .
Step 7
Integrate by parts using the formula , where and .
Step 8
Simplify.
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Step 8.1
Combine and .
Step 8.2
Combine and .
Step 8.3
Move to the left of .
Step 8.4
Combine and .
Step 8.5
Combine and .
Step 8.6
Multiply by .
Step 8.7
Combine and .
Step 9
Since is constant with respect to , move out of the integral.
Step 10
By the Power Rule, the integral of with respect to is .
Step 11
Simplify.
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Step 11.1
Combine and .
Step 11.2
Rewrite as .
Step 11.3
Simplify.
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Step 11.3.1
Reorder terms.
Step 11.3.2
Subtract from .
Step 11.3.3
Multiply by .
Step 11.3.4
Add and .