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Calculus Examples
,
Step 1
To find the volume of the solid, first define the area of each slice then integrate across the range. The area of each slice is the area of a circle with radius and .
where and
Step 2
Step 2.1
Simplify each term.
Step 2.1.1
Rewrite as .
Step 2.1.2
Expand by multiplying each term in the first expression by each term in the second expression.
Step 2.1.3
Simplify each term.
Step 2.1.3.1
Multiply by by adding the exponents.
Step 2.1.3.1.1
Use the power rule to combine exponents.
Step 2.1.3.1.2
Add and .
Step 2.1.3.2
Rewrite using the commutative property of multiplication.
Step 2.1.3.3
Multiply by by adding the exponents.
Step 2.1.3.3.1
Move .
Step 2.1.3.3.2
Multiply by .
Step 2.1.3.3.2.1
Raise to the power of .
Step 2.1.3.3.2.2
Use the power rule to combine exponents.
Step 2.1.3.3.3
Add and .
Step 2.1.3.4
Move to the left of .
Step 2.1.3.5
Multiply by by adding the exponents.
Step 2.1.3.5.1
Move .
Step 2.1.3.5.2
Multiply by .
Step 2.1.3.5.2.1
Raise to the power of .
Step 2.1.3.5.2.2
Use the power rule to combine exponents.
Step 2.1.3.5.3
Add and .
Step 2.1.3.6
Rewrite using the commutative property of multiplication.
Step 2.1.3.7
Multiply by by adding the exponents.
Step 2.1.3.7.1
Move .
Step 2.1.3.7.2
Multiply by .
Step 2.1.3.8
Multiply by .
Step 2.1.3.9
Multiply by .
Step 2.1.3.10
Multiply by .
Step 2.1.3.11
Multiply by .
Step 2.1.4
Subtract from .
Step 2.1.5
Add and .
Step 2.1.6
Add and .
Step 2.1.7
Subtract from .
Step 2.1.8
Apply the distributive property.
Step 2.1.9
Simplify.
Step 2.1.9.1
Multiply by .
Step 2.1.9.2
Multiply by .
Step 2.1.9.3
Multiply by .
Step 2.1.9.4
Multiply by .
Step 2.2
Subtract from .
Step 3
Split the single integral into multiple integrals.
Step 4
Since is constant with respect to , move out of the integral.
Step 5
By the Power Rule, the integral of with respect to is .
Step 6
Combine and .
Step 7
Since is constant with respect to , move out of the integral.
Step 8
By the Power Rule, the integral of with respect to is .
Step 9
Combine and .
Step 10
Since is constant with respect to , move out of the integral.
Step 11
By the Power Rule, the integral of with respect to is .
Step 12
Combine and .
Step 13
Since is constant with respect to , move out of the integral.
Step 14
By the Power Rule, the integral of with respect to is .
Step 15
Combine and .
Step 16
Apply the constant rule.
Step 17
Step 17.1
Evaluate at and at .
Step 17.2
Evaluate at and at .
Step 17.3
Evaluate at and at .
Step 17.4
Evaluate at and at .
Step 17.5
Evaluate at and at .
Step 17.6
Simplify.
Step 17.6.1
Raise to the power of .
Step 17.6.2
One to any power is one.
Step 17.6.3
Combine the numerators over the common denominator.
Step 17.6.4
Subtract from .
Step 17.6.5
Raise to the power of .
Step 17.6.6
Cancel the common factor of and .
Step 17.6.6.1
Factor out of .
Step 17.6.6.2
Cancel the common factors.
Step 17.6.6.2.1
Factor out of .
Step 17.6.6.2.2
Cancel the common factor.
Step 17.6.6.2.3
Rewrite the expression.
Step 17.6.6.2.4
Divide by .
Step 17.6.7
One to any power is one.
Step 17.6.8
To write as a fraction with a common denominator, multiply by .
Step 17.6.9
Combine and .
Step 17.6.10
Combine the numerators over the common denominator.
Step 17.6.11
Simplify the numerator.
Step 17.6.11.1
Multiply by .
Step 17.6.11.2
Subtract from .
Step 17.6.12
Combine and .
Step 17.6.13
Multiply by .
Step 17.6.14
Cancel the common factor of and .
Step 17.6.14.1
Factor out of .
Step 17.6.14.2
Cancel the common factors.
Step 17.6.14.2.1
Factor out of .
Step 17.6.14.2.2
Cancel the common factor.
Step 17.6.14.2.3
Rewrite the expression.
Step 17.6.14.2.4
Divide by .
Step 17.6.15
To write as a fraction with a common denominator, multiply by .
Step 17.6.16
Combine and .
Step 17.6.17
Combine the numerators over the common denominator.
Step 17.6.18
Simplify the numerator.
Step 17.6.18.1
Multiply by .
Step 17.6.18.2
Add and .
Step 17.6.19
Raise to the power of .
Step 17.6.20
One to any power is one.
Step 17.6.21
Combine the numerators over the common denominator.
Step 17.6.22
Subtract from .
Step 17.6.23
Cancel the common factor of and .
Step 17.6.23.1
Factor out of .
Step 17.6.23.2
Cancel the common factors.
Step 17.6.23.2.1
Factor out of .
Step 17.6.23.2.2
Cancel the common factor.
Step 17.6.23.2.3
Rewrite the expression.
Step 17.6.23.2.4
Divide by .
Step 17.6.24
Multiply by .
Step 17.6.25
To write as a fraction with a common denominator, multiply by .
Step 17.6.26
Combine and .
Step 17.6.27
Combine the numerators over the common denominator.
Step 17.6.28
Simplify the numerator.
Step 17.6.28.1
Multiply by .
Step 17.6.28.2
Subtract from .
Step 17.6.29
Move the negative in front of the fraction.
Step 17.6.30
Raise to the power of .
Step 17.6.31
Cancel the common factor of and .
Step 17.6.31.1
Factor out of .
Step 17.6.31.2
Cancel the common factors.
Step 17.6.31.2.1
Factor out of .
Step 17.6.31.2.2
Cancel the common factor.
Step 17.6.31.2.3
Rewrite the expression.
Step 17.6.31.2.4
Divide by .
Step 17.6.32
One to any power is one.
Step 17.6.33
To write as a fraction with a common denominator, multiply by .
Step 17.6.34
Combine and .
Step 17.6.35
Combine the numerators over the common denominator.
Step 17.6.36
Simplify the numerator.
Step 17.6.36.1
Multiply by .
Step 17.6.36.2
Subtract from .
Step 17.6.37
Combine and .
Step 17.6.38
Multiply by .
Step 17.6.39
Cancel the common factor of and .
Step 17.6.39.1
Factor out of .
Step 17.6.39.2
Cancel the common factors.
Step 17.6.39.2.1
Factor out of .
Step 17.6.39.2.2
Cancel the common factor.
Step 17.6.39.2.3
Rewrite the expression.
Step 17.6.39.2.4
Divide by .
Step 17.6.40
To write as a fraction with a common denominator, multiply by .
Step 17.6.41
Combine and .
Step 17.6.42
Combine the numerators over the common denominator.
Step 17.6.43
Simplify the numerator.
Step 17.6.43.1
Multiply by .
Step 17.6.43.2
Add and .
Step 17.6.44
Multiply by .
Step 17.6.45
Multiply by .
Step 17.6.46
Add and .
Step 17.6.47
To write as a fraction with a common denominator, multiply by .
Step 17.6.48
Combine and .
Step 17.6.49
Combine the numerators over the common denominator.
Step 17.6.50
Simplify the numerator.
Step 17.6.50.1
Multiply by .
Step 17.6.50.2
Subtract from .
Step 17.6.51
Combine and .
Step 17.6.52
Move to the left of .
Step 18
The result can be shown in multiple forms.
Exact Form:
Decimal Form:
Step 19