Calculus Examples

Find the Volume y=x(5-x)^2 , y=x+2
,
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
Simplify the integrand.
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Step 2.1
Simplify each term.
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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.
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Step 2.1.3.1
Multiply by by adding the exponents.
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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.
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Step 2.1.3.3.1
Move .
Step 2.1.3.3.2
Use the power rule to combine exponents.
Step 2.1.3.3.3
Add and .
Step 2.1.3.4
Rewrite using the commutative property of multiplication.
Step 2.1.3.5
Multiply by by adding the exponents.
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Step 2.1.3.5.1
Move .
Step 2.1.3.5.2
Multiply by .
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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
Multiply by by adding the exponents.
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Step 2.1.3.6.1
Move .
Step 2.1.3.6.2
Use the power rule to combine exponents.
Step 2.1.3.6.3
Add and .
Step 2.1.3.7
Rewrite using the commutative property of multiplication.
Step 2.1.3.8
Multiply by by adding the exponents.
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Step 2.1.3.8.1
Move .
Step 2.1.3.8.2
Use the power rule to combine exponents.
Step 2.1.3.8.3
Add and .
Step 2.1.3.9
Multiply by .
Step 2.1.3.10
Rewrite using the commutative property of multiplication.
Step 2.1.3.11
Multiply by by adding the exponents.
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Step 2.1.3.11.1
Move .
Step 2.1.3.11.2
Multiply by .
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Step 2.1.3.11.2.1
Raise to the power of .
Step 2.1.3.11.2.2
Use the power rule to combine exponents.
Step 2.1.3.11.3
Add and .
Step 2.1.3.12
Multiply by .
Step 2.1.3.13
Multiply by by adding the exponents.
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Step 2.1.3.13.1
Move .
Step 2.1.3.13.2
Multiply by .
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Step 2.1.3.13.2.1
Raise to the power of .
Step 2.1.3.13.2.2
Use the power rule to combine exponents.
Step 2.1.3.13.3
Add and .
Step 2.1.3.14
Rewrite using the commutative property of multiplication.
Step 2.1.3.15
Multiply by by adding the exponents.
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Step 2.1.3.15.1
Move .
Step 2.1.3.15.2
Multiply by .
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Step 2.1.3.15.2.1
Raise to the power of .
Step 2.1.3.15.2.2
Use the power rule to combine exponents.
Step 2.1.3.15.3
Add and .
Step 2.1.3.16
Multiply by .
Step 2.1.3.17
Rewrite using the commutative property of multiplication.
Step 2.1.3.18
Multiply by by adding the exponents.
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Step 2.1.3.18.1
Move .
Step 2.1.3.18.2
Multiply by .
Step 2.1.3.19
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
Rewrite as .
Step 2.1.9
Expand using the FOIL Method.
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Step 2.1.9.1
Apply the distributive property.
Step 2.1.9.2
Apply the distributive property.
Step 2.1.9.3
Apply the distributive property.
Step 2.1.10
Simplify and combine like terms.
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Step 2.1.10.1
Simplify each term.
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Step 2.1.10.1.1
Multiply by .
Step 2.1.10.1.2
Move to the left of .
Step 2.1.10.1.3
Multiply by .
Step 2.1.10.2
Add and .
Step 2.1.11
Apply the distributive property.
Step 2.1.12
Simplify.
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Step 2.1.12.1
Multiply by .
Step 2.1.12.2
Multiply by .
Step 2.2
Subtract from .
Step 3
Split the single integral into multiple integrals.
Step 4
By the Power Rule, the integral of with respect to is .
Step 5
Combine and .
Step 6
Since is constant with respect to , move out of the integral.
Step 7
By the Power Rule, the integral of with respect to is .
Step 8
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
Combine and .
Step 12
Since is constant with respect to , move out of the integral.
Step 13
By the Power Rule, the integral of with respect to is .
Step 14
Combine and .
Step 15
Since is constant with respect to , move out of the integral.
Step 16
By the Power Rule, the integral of with respect to is .
Step 17
Combine and .
Step 18
Since is constant with respect to , move out of the integral.
Step 19
By the Power Rule, the integral of with respect to is .
Step 20
Combine and .
Step 21
Apply the constant rule.
Step 22
Simplify the answer.
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Step 22.1
Combine and .
Step 22.2
Substitute and simplify.
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Step 22.2.1
Evaluate at and at .
Step 22.2.2
Evaluate at and at .
Step 22.2.3
Evaluate at and at .
Step 22.2.4
Evaluate at and at .
Step 22.2.5
Evaluate at and at .
Step 22.2.6
Evaluate at and at .
Step 22.2.7
Simplify.
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Step 22.2.7.1
Raise to the power of .
Step 22.2.7.2
Multiply by .
Step 22.2.7.3
To write as a fraction with a common denominator, multiply by .
Step 22.2.7.4
Combine and .
Step 22.2.7.5
Combine the numerators over the common denominator.
Step 22.2.7.6
Multiply by .
Step 22.2.7.7
Subtract from .
Step 22.2.7.8
Raise to the power of .
Step 22.2.7.9
Multiply by .
Step 22.2.7.10
To write as a fraction with a common denominator, multiply by .
Step 22.2.7.11
Combine and .
Step 22.2.7.12
Combine the numerators over the common denominator.
Step 22.2.7.13
Multiply by .
Step 22.2.7.14
Subtract from .
Step 22.2.7.15
Move the negative in front of the fraction.
Step 22.2.7.16
Multiply by .
Step 22.2.7.17
Multiply by .
Step 22.2.7.18
Combine the numerators over the common denominator.
Step 22.2.7.19
Add and .
Step 22.2.7.20
Raise to the power of .
Step 22.2.7.21
Raise to the power of .
Step 22.2.7.22
Combine the numerators over the common denominator.
Step 22.2.7.23
Subtract from .
Step 22.2.7.24
Combine and .
Step 22.2.7.25
Multiply by .
Step 22.2.7.26
Move the negative in front of the fraction.
Step 22.2.7.27
To write as a fraction with a common denominator, multiply by .
Step 22.2.7.28
To write as a fraction with a common denominator, multiply by .
Step 22.2.7.29
Write each expression with a common denominator of , by multiplying each by an appropriate factor of .
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Step 22.2.7.29.1
Multiply by .
Step 22.2.7.29.2
Multiply by .
Step 22.2.7.29.3
Multiply by .
Step 22.2.7.29.4
Multiply by .
Step 22.2.7.30
Combine the numerators over the common denominator.
Step 22.2.7.31
Multiply by .
Step 22.2.7.32
Multiply by .
Step 22.2.7.33
Subtract from .
Step 22.2.7.34
Move the negative in front of the fraction.
Step 22.2.7.35
Raise to the power of .
Step 22.2.7.36
Raise to the power of .
Step 22.2.7.37
Combine the numerators over the common denominator.
Step 22.2.7.38
Subtract from .
Step 22.2.7.39
Combine and .
Step 22.2.7.40
Multiply by .
Step 22.2.7.41
To write as a fraction with a common denominator, multiply by .
Step 22.2.7.42
To write as a fraction with a common denominator, multiply by .
Step 22.2.7.43
Write each expression with a common denominator of , by multiplying each by an appropriate factor of .
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Step 22.2.7.43.1
Multiply by .
Step 22.2.7.43.2
Multiply by .
Step 22.2.7.43.3
Multiply by .
Step 22.2.7.43.4
Multiply by .
Step 22.2.7.44
Combine the numerators over the common denominator.
Step 22.2.7.45
Multiply by .
Step 22.2.7.46
Multiply by .
Step 22.2.7.47
Add and .
Step 22.2.7.48
Raise to the power of .
Step 22.2.7.49
Raise to the power of .
Step 22.2.7.50
Combine the numerators over the common denominator.
Step 22.2.7.51
Subtract from .
Step 22.2.7.52
Combine and .
Step 22.2.7.53
Multiply by .
Step 22.2.7.54
Move the negative in front of the fraction.
Step 22.2.7.55
To write as a fraction with a common denominator, multiply by .
Step 22.2.7.56
To write as a fraction with a common denominator, multiply by .
Step 22.2.7.57
Write each expression with a common denominator of , by multiplying each by an appropriate factor of .
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Step 22.2.7.57.1
Multiply by .
Step 22.2.7.57.2
Multiply by .
Step 22.2.7.57.3
Multiply by .
Step 22.2.7.57.4
Multiply by .
Step 22.2.7.58
Combine the numerators over the common denominator.
Step 22.2.7.59
Multiply by .
Step 22.2.7.60
Multiply by .
Step 22.2.7.61
Subtract from .
Step 22.2.7.62
Move the negative in front of the fraction.
Step 22.2.7.63
Raise to the power of .
Step 22.2.7.64
Raise to the power of .
Step 22.2.7.65
Combine the numerators over the common denominator.
Step 22.2.7.66
Subtract from .
Step 22.2.7.67
Combine and .
Step 22.2.7.68
Multiply by .
Step 22.2.7.69
To write as a fraction with a common denominator, multiply by .
Step 22.2.7.70
Write each expression with a common denominator of , by multiplying each by an appropriate factor of .
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Step 22.2.7.70.1
Multiply by .
Step 22.2.7.70.2
Multiply by .
Step 22.2.7.71
Combine the numerators over the common denominator.
Step 22.2.7.72
Multiply by .
Step 22.2.7.73
Add and .
Step 22.2.7.74
Raise to the power of .
Step 22.2.7.75
Raise to the power of .
Step 22.2.7.76
Combine the numerators over the common denominator.
Step 22.2.7.77
Subtract from .
Step 22.2.7.78
Combine and .
Step 22.2.7.79
Multiply by .
Step 22.2.7.80
Move the negative in front of the fraction.
Step 22.2.7.81
To write as a fraction with a common denominator, multiply by .
Step 22.2.7.82
Write each expression with a common denominator of , by multiplying each by an appropriate factor of .
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Step 22.2.7.82.1
Multiply by .
Step 22.2.7.82.2
Multiply by .
Step 22.2.7.83
Combine the numerators over the common denominator.
Step 22.2.7.84
Multiply by .
Step 22.2.7.85
Subtract from .
Step 22.2.7.86
Combine and .
Step 22.2.7.87
Multiply by .
Step 23
Divide by .
Step 24