Calculus Examples

Evaluate the Integral integral from 0 to 1 of 4x^3e^(x^4) with respect to x
Step 1
Since is constant with respect to , move out of the integral.
Step 2
Let . Then , so . Rewrite using and .
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Step 2.1
Let . Find .
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Step 2.1.1
Differentiate .
Step 2.1.2
Differentiate using the Power Rule which states that is where .
Step 2.2
Substitute the lower limit in for in .
Step 2.3
Raising to any positive power yields .
Step 2.4
Substitute the upper limit in for in .
Step 2.5
One to any power is one.
Step 2.6
The values found for and will be used to evaluate the definite integral.
Step 2.7
Rewrite the problem using , , and the new limits of integration.
Step 3
Simplify.
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Step 3.1
Rewrite as .
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Step 3.1.1
Use to rewrite as .
Step 3.1.2
Apply the power rule and multiply exponents, .
Step 3.1.3
Combine and .
Step 3.1.4
Cancel the common factor of and .
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Step 3.1.4.1
Factor out of .
Step 3.1.4.2
Cancel the common factors.
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Step 3.1.4.2.1
Factor out of .
Step 3.1.4.2.2
Cancel the common factor.
Step 3.1.4.2.3
Rewrite the expression.
Step 3.1.4.2.4
Divide by .
Step 3.2
Combine and .
Step 3.3
Combine and .
Step 4
Since is constant with respect to , move out of the integral.
Step 5
Simplify.
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Step 5.1
Combine and .
Step 5.2
Cancel the common factor of and .
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Step 5.2.1
Factor out of .
Step 5.2.2
Cancel the common factors.
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Step 5.2.2.1
Factor out of .
Step 5.2.2.2
Cancel the common factor.
Step 5.2.2.3
Rewrite the expression.
Step 5.2.2.4
Divide by .
Step 6
Let . Then , so . Rewrite using and .
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Step 6.1
Let . Find .
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Step 6.1.1
Differentiate .
Step 6.1.2
Differentiate using the Power Rule which states that is where .
Step 6.2
Substitute the lower limit in for in .
Step 6.3
Raising to any positive power yields .
Step 6.4
Substitute the upper limit in for in .
Step 6.5
One to any power is one.
Step 6.6
The values found for and will be used to evaluate the definite integral.
Step 6.7
Rewrite the problem using , , and the new limits of integration.
Step 7
Combine and .
Step 8
Since is constant with respect to , move out of the integral.
Step 9
Simplify.
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Step 9.1
Combine and .
Step 9.2
Cancel the common factor of .
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Step 9.2.1
Cancel the common factor.
Step 9.2.2
Rewrite the expression.
Step 9.3
Multiply by .
Step 10
The integral of with respect to is .
Step 11
Substitute and simplify.
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Step 11.1
Evaluate at and at .
Step 11.2
Simplify.
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Step 11.2.1
Simplify.
Step 11.2.2
Anything raised to is .
Step 11.2.3
Multiply by .
Step 12
The result can be shown in multiple forms.
Exact Form:
Decimal Form:
Step 13