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Calculus Examples
Step 1
Let , where . Then . Note that since , is positive.
Step 2
Step 2.1
Simplify .
Step 2.1.1
Simplify each term.
Step 2.1.1.1
Apply the product rule to .
Step 2.1.1.2
Raise to the power of .
Step 2.1.1.3
Rewrite as .
Step 2.1.1.3.1
Use to rewrite as .
Step 2.1.1.3.2
Apply the power rule and multiply exponents, .
Step 2.1.1.3.3
Combine and .
Step 2.1.1.3.4
Cancel the common factor of .
Step 2.1.1.3.4.1
Cancel the common factor.
Step 2.1.1.3.4.2
Rewrite the expression.
Step 2.1.1.3.5
Evaluate the exponent.
Step 2.1.1.4
Multiply by .
Step 2.1.1.5
Multiply by .
Step 2.1.1.6
Combine and simplify the denominator.
Step 2.1.1.6.1
Multiply by .
Step 2.1.1.6.2
Raise to the power of .
Step 2.1.1.6.3
Raise to the power of .
Step 2.1.1.6.4
Use the power rule to combine exponents.
Step 2.1.1.6.5
Add and .
Step 2.1.1.6.6
Rewrite as .
Step 2.1.1.6.6.1
Use to rewrite as .
Step 2.1.1.6.6.2
Apply the power rule and multiply exponents, .
Step 2.1.1.6.6.3
Combine and .
Step 2.1.1.6.6.4
Cancel the common factor of .
Step 2.1.1.6.6.4.1
Cancel the common factor.
Step 2.1.1.6.6.4.2
Rewrite the expression.
Step 2.1.1.6.6.5
Evaluate the exponent.
Step 2.1.1.7
Simplify the numerator.
Step 2.1.1.7.1
Combine using the product rule for radicals.
Step 2.1.1.7.2
Multiply by .
Step 2.1.1.8
Combine and .
Step 2.1.1.9
Use the power rule to distribute the exponent.
Step 2.1.1.9.1
Apply the product rule to .
Step 2.1.1.9.2
Apply the product rule to .
Step 2.1.1.9.3
Apply the product rule to .
Step 2.1.1.10
Simplify the numerator.
Step 2.1.1.10.1
Raise to the power of .
Step 2.1.1.10.2
Rewrite as .
Step 2.1.1.10.2.1
Use to rewrite as .
Step 2.1.1.10.2.2
Apply the power rule and multiply exponents, .
Step 2.1.1.10.2.3
Combine and .
Step 2.1.1.10.2.4
Cancel the common factor of .
Step 2.1.1.10.2.4.1
Cancel the common factor.
Step 2.1.1.10.2.4.2
Rewrite the expression.
Step 2.1.1.10.2.5
Evaluate the exponent.
Step 2.1.1.10.3
Multiply by .
Step 2.1.1.11
Raise to the power of .
Step 2.1.1.12
Cancel the common factor of .
Step 2.1.1.12.1
Factor out of .
Step 2.1.1.12.2
Factor out of .
Step 2.1.1.12.3
Cancel the common factor.
Step 2.1.1.12.4
Rewrite the expression.
Step 2.1.1.13
Cancel the common factor of and .
Step 2.1.1.13.1
Factor out of .
Step 2.1.1.13.2
Cancel the common factors.
Step 2.1.1.13.2.1
Factor out of .
Step 2.1.1.13.2.2
Cancel the common factor.
Step 2.1.1.13.2.3
Rewrite the expression.
Step 2.1.1.13.2.4
Divide by .
Step 2.1.1.14
Multiply by .
Step 2.1.2
Factor out of .
Step 2.1.3
Factor out of .
Step 2.1.4
Factor out of .
Step 2.1.5
Apply pythagorean identity.
Step 2.1.6
Rewrite as .
Step 2.1.6.1
Factor out of .
Step 2.1.6.2
Rewrite as .
Step 2.1.6.3
Move .
Step 2.1.6.4
Rewrite as .
Step 2.1.7
Pull terms out from under the radical.
Step 2.2
Simplify.
Step 2.2.1
Combine and .
Step 2.2.2
Multiply by .
Step 2.2.3
Combine and .
Step 2.2.4
Raise to the power of .
Step 2.2.5
Raise to the power of .
Step 2.2.6
Use the power rule to combine exponents.
Step 2.2.7
Add and .
Step 2.2.8
Combine and .
Step 2.2.9
Combine using the product rule for radicals.
Step 2.2.10
Multiply by .
Step 3
Since is constant with respect to , move out of the integral.
Step 4
Use the half-angle formula to rewrite as .
Step 5
Since is constant with respect to , move out of the integral.
Step 6
Step 6.1
Multiply by .
Step 6.2
Multiply by .
Step 6.3
Cancel the common factor of and .
Step 6.3.1
Factor out of .
Step 6.3.2
Cancel the common factors.
Step 6.3.2.1
Factor out of .
Step 6.3.2.2
Cancel the common factor.
Step 6.3.2.3
Rewrite the expression.
Step 7
Split the single integral into multiple integrals.
Step 8
Apply the constant rule.
Step 9
Step 9.1
Let . Find .
Step 9.1.1
Differentiate .
Step 9.1.2
Since is constant with respect to , the derivative of with respect to is .
Step 9.1.3
Differentiate using the Power Rule which states that is where .
Step 9.1.4
Multiply by .
Step 9.2
Rewrite the problem using and .
Step 10
Combine and .
Step 11
Since is constant with respect to , move out of the integral.
Step 12
The integral of with respect to is .
Step 13
Simplify.
Step 14
Step 14.1
Replace all occurrences of with .
Step 14.2
Replace all occurrences of with .
Step 14.3
Replace all occurrences of with .
Step 15
Step 15.1
Simplify each term.
Step 15.1.1
Multiply by .
Step 15.1.2
Combine and simplify the denominator.
Step 15.1.2.1
Multiply by .
Step 15.1.2.2
Move .
Step 15.1.2.3
Raise to the power of .
Step 15.1.2.4
Raise to the power of .
Step 15.1.2.5
Use the power rule to combine exponents.
Step 15.1.2.6
Add and .
Step 15.1.2.7
Rewrite as .
Step 15.1.2.7.1
Use to rewrite as .
Step 15.1.2.7.2
Apply the power rule and multiply exponents, .
Step 15.1.2.7.3
Combine and .
Step 15.1.2.7.4
Cancel the common factor of .
Step 15.1.2.7.4.1
Cancel the common factor.
Step 15.1.2.7.4.2
Rewrite the expression.
Step 15.1.2.7.5
Evaluate the exponent.
Step 15.1.3
Simplify the numerator.
Step 15.1.3.1
Combine using the product rule for radicals.
Step 15.1.3.2
Multiply by .
Step 15.1.4
Multiply by .
Step 15.1.5
Combine and .
Step 15.2
Apply the distributive property.
Step 15.3
Combine and .
Step 15.4
Cancel the common factor of .
Step 15.4.1
Factor out of .
Step 15.4.2
Cancel the common factor.
Step 15.4.3
Rewrite the expression.
Step 15.5
Combine and .
Step 16
Step 16.1
Multiply by .
Step 16.2
Combine and simplify the denominator.
Step 16.2.1
Multiply by .
Step 16.2.2
Move .
Step 16.2.3
Raise to the power of .
Step 16.2.4
Raise to the power of .
Step 16.2.5
Use the power rule to combine exponents.
Step 16.2.6
Add and .
Step 16.2.7
Rewrite as .
Step 16.2.7.1
Use to rewrite as .
Step 16.2.7.2
Apply the power rule and multiply exponents, .
Step 16.2.7.3
Combine and .
Step 16.2.7.4
Cancel the common factor of .
Step 16.2.7.4.1
Cancel the common factor.
Step 16.2.7.4.2
Rewrite the expression.
Step 16.2.7.5
Evaluate the exponent.
Step 16.3
Simplify the numerator.
Step 16.3.1
Combine using the product rule for radicals.
Step 16.3.2
Multiply by .
Step 16.4
Multiply by .
Step 16.5
Reorder terms.