Calculus Examples

Find the Volume y=3+2x-x^2 , x+y=3
,
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
Rewrite using the commutative property of multiplication.
Step 2.1.3.2
Multiply by by adding the exponents.
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Step 2.1.3.2.1
Move .
Step 2.1.3.2.2
Use the power rule to combine exponents.
Step 2.1.3.2.3
Add and .
Step 2.1.3.3
Multiply by .
Step 2.1.3.4
Multiply by .
Step 2.1.3.5
Rewrite using the commutative property of multiplication.
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
Multiply by .
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Step 2.1.3.6.2.1
Raise to the power of .
Step 2.1.3.6.2.2
Use the power rule to combine exponents.
Step 2.1.3.6.3
Add and .
Step 2.1.3.7
Multiply by .
Step 2.1.3.8
Multiply by .
Step 2.1.3.9
Rewrite using the commutative property of multiplication.
Step 2.1.3.10
Multiply by by adding the exponents.
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Step 2.1.3.10.1
Move .
Step 2.1.3.10.2
Multiply by .
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Step 2.1.3.10.2.1
Raise to the power of .
Step 2.1.3.10.2.2
Use the power rule to combine exponents.
Step 2.1.3.10.3
Add and .
Step 2.1.3.11
Multiply by .
Step 2.1.3.12
Rewrite using the commutative property of multiplication.
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 .
Step 2.1.3.14
Multiply by .
Step 2.1.3.15
Multiply by .
Step 2.1.3.16
Multiply by .
Step 2.1.3.17
Multiply by .
Step 2.1.3.18
Multiply by .
Step 2.1.4
Subtract from .
Step 2.1.5
Add and .
Step 2.1.6
Subtract from .
Step 2.1.7
Add and .
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
Multiply by .
Step 2.1.10.1.3
Multiply by .
Step 2.1.10.1.4
Rewrite using the commutative property of multiplication.
Step 2.1.10.1.5
Multiply by by adding the exponents.
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Step 2.1.10.1.5.1
Move .
Step 2.1.10.1.5.2
Multiply by .
Step 2.1.10.1.6
Multiply by .
Step 2.1.10.1.7
Multiply by .
Step 2.1.10.2
Subtract from .
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
Simplify by adding terms.
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Step 2.2.1
Combine the opposite terms in .
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Step 2.2.1.1
Subtract from .
Step 2.2.1.2
Add and .
Step 2.2.2
Subtract from .
Step 2.2.3
Add and .
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
Simplify the answer.
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Step 14.1
Combine and .
Step 14.2
Substitute and simplify.
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Step 14.2.1
Evaluate at and at .
Step 14.2.2
Evaluate at and at .
Step 14.2.3
Evaluate at and at .
Step 14.2.4
Evaluate at and at .
Step 14.2.5
Simplify.
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Step 14.2.5.1
Raise to the power of .
Step 14.2.5.2
Raising to any positive power yields .
Step 14.2.5.3
Cancel the common factor of and .
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Step 14.2.5.3.1
Factor out of .
Step 14.2.5.3.2
Cancel the common factors.
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Step 14.2.5.3.2.1
Factor out of .
Step 14.2.5.3.2.2
Cancel the common factor.
Step 14.2.5.3.2.3
Rewrite the expression.
Step 14.2.5.3.2.4
Divide by .
Step 14.2.5.4
Multiply by .
Step 14.2.5.5
Add and .
Step 14.2.5.6
Raise to the power of .
Step 14.2.5.7
Raising to any positive power yields .
Step 14.2.5.8
Cancel the common factor of and .
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Step 14.2.5.8.1
Factor out of .
Step 14.2.5.8.2
Cancel the common factors.
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Step 14.2.5.8.2.1
Factor out of .
Step 14.2.5.8.2.2
Cancel the common factor.
Step 14.2.5.8.2.3
Rewrite the expression.
Step 14.2.5.8.2.4
Divide by .
Step 14.2.5.9
Multiply by .
Step 14.2.5.10
Add and .
Step 14.2.5.11
Combine and .
Step 14.2.5.12
Multiply by .
Step 14.2.5.13
Cancel the common factor of and .
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Step 14.2.5.13.1
Factor out of .
Step 14.2.5.13.2
Cancel the common factors.
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Step 14.2.5.13.2.1
Factor out of .
Step 14.2.5.13.2.2
Cancel the common factor.
Step 14.2.5.13.2.3
Rewrite the expression.
Step 14.2.5.13.2.4
Divide by .
Step 14.2.5.14
To write as a fraction with a common denominator, multiply by .
Step 14.2.5.15
Combine and .
Step 14.2.5.16
Combine the numerators over the common denominator.
Step 14.2.5.17
Simplify the numerator.
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Step 14.2.5.17.1
Multiply by .
Step 14.2.5.17.2
Subtract from .
Step 14.2.5.18
Move the negative in front of the fraction.
Step 14.2.5.19
Raise to the power of .
Step 14.2.5.20
Cancel the common factor of and .
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Step 14.2.5.20.1
Factor out of .
Step 14.2.5.20.2
Cancel the common factors.
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Step 14.2.5.20.2.1
Factor out of .
Step 14.2.5.20.2.2
Cancel the common factor.
Step 14.2.5.20.2.3
Rewrite the expression.
Step 14.2.5.20.2.4
Divide by .
Step 14.2.5.21
Raising to any positive power yields .
Step 14.2.5.22
Cancel the common factor of and .
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Step 14.2.5.22.1
Factor out of .
Step 14.2.5.22.2
Cancel the common factors.
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Step 14.2.5.22.2.1
Factor out of .
Step 14.2.5.22.2.2
Cancel the common factor.
Step 14.2.5.22.2.3
Rewrite the expression.
Step 14.2.5.22.2.4
Divide by .
Step 14.2.5.23
Multiply by .
Step 14.2.5.24
Add and .
Step 14.2.5.25
Multiply by .
Step 14.2.5.26
To write as a fraction with a common denominator, multiply by .
Step 14.2.5.27
Combine and .
Step 14.2.5.28
Combine the numerators over the common denominator.
Step 14.2.5.29
Simplify the numerator.
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Step 14.2.5.29.1
Multiply by .
Step 14.2.5.29.2
Subtract from .
Step 14.2.5.30
Move the negative in front of the fraction.
Step 14.2.5.31
Raise to the power of .
Step 14.2.5.32
Raising to any positive power yields .
Step 14.2.5.33
Cancel the common factor of and .
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Step 14.2.5.33.1
Factor out of .
Step 14.2.5.33.2
Cancel the common factors.
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Step 14.2.5.33.2.1
Factor out of .
Step 14.2.5.33.2.2
Cancel the common factor.
Step 14.2.5.33.2.3
Rewrite the expression.
Step 14.2.5.33.2.4
Divide by .
Step 14.2.5.34
Multiply by .
Step 14.2.5.35
Add and .
Step 14.2.5.36
Combine and .
Step 14.2.5.37
Multiply by .
Step 14.2.5.38
Cancel the common factor of and .
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Step 14.2.5.38.1
Factor out of .
Step 14.2.5.38.2
Cancel the common factors.
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Step 14.2.5.38.2.1
Factor out of .
Step 14.2.5.38.2.2
Cancel the common factor.
Step 14.2.5.38.2.3
Rewrite the expression.
Step 14.2.5.38.2.4
Divide by .
Step 14.2.5.39
To write as a fraction with a common denominator, multiply by .
Step 14.2.5.40
Combine and .
Step 14.2.5.41
Combine the numerators over the common denominator.
Step 14.2.5.42
Simplify the numerator.
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Step 14.2.5.42.1
Multiply by .
Step 14.2.5.42.2
Add and .
Step 14.2.5.43
Combine and .
Step 14.2.5.44
Move to the left of .
Step 15
The result can be shown in multiple forms.
Exact Form:
Decimal Form:
Step 16