Calculus Examples

Find the Area Between the Curves y=x^(12/11) , y=10x^(1/11)
,
Step 1
Solve by substitution to find the intersection between the curves.
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Step 1.1
Eliminate the equal sides of each equation and combine.
Step 1.2
Solve for .
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Step 1.2.1
Eliminate the fractional exponents by multiplying both exponents by the LCD.
Step 1.2.2
Multiply the exponents in .
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Step 1.2.2.1
Apply the power rule and multiply exponents, .
Step 1.2.2.2
Cancel the common factor of .
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Step 1.2.2.2.1
Cancel the common factor.
Step 1.2.2.2.2
Rewrite the expression.
Step 1.2.3
Simplify .
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Step 1.2.3.1
Apply the product rule to .
Step 1.2.3.2
Raise to the power of .
Step 1.2.3.3
Multiply the exponents in .
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Step 1.2.3.3.1
Apply the power rule and multiply exponents, .
Step 1.2.3.3.2
Cancel the common factor of .
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Step 1.2.3.3.2.1
Cancel the common factor.
Step 1.2.3.3.2.2
Rewrite the expression.
Step 1.2.3.4
Simplify.
Step 1.2.4
Subtract from both sides of the equation.
Step 1.2.5
Factor out of .
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Step 1.2.5.1
Factor out of .
Step 1.2.5.2
Factor out of .
Step 1.2.5.3
Factor out of .
Step 1.2.6
If any individual factor on the left side of the equation is equal to , the entire expression will be equal to .
Step 1.2.7
Set equal to .
Step 1.2.8
Set equal to and solve for .
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Step 1.2.8.1
Set equal to .
Step 1.2.8.2
Solve for .
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Step 1.2.8.2.1
Add to both sides of the equation.
Step 1.2.8.2.2
Take the specified root of both sides of the equation to eliminate the exponent on the left side.
Step 1.2.8.2.3
Simplify .
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Step 1.2.8.2.3.1
Rewrite as .
Step 1.2.8.2.3.2
Pull terms out from under the radical, assuming real numbers.
Step 1.2.9
The final solution is all the values that make true.
Step 1.3
Evaluate when .
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Step 1.3.1
Substitute for .
Step 1.3.2
Substitute for in and solve for .
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Step 1.3.2.1
Remove parentheses.
Step 1.3.2.2
Simplify .
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Step 1.3.2.2.1
Simplify the expression.
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Step 1.3.2.2.1.1
Rewrite as .
Step 1.3.2.2.1.2
Apply the power rule and multiply exponents, .
Step 1.3.2.2.2
Cancel the common factor of .
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Step 1.3.2.2.2.1
Cancel the common factor.
Step 1.3.2.2.2.2
Rewrite the expression.
Step 1.3.2.2.3
Evaluate the exponent.
Step 1.3.2.2.4
Multiply by .
Step 1.4
Evaluate when .
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Step 1.4.1
Substitute for .
Step 1.4.2
Substitute for in and solve for .
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Step 1.4.2.1
Remove parentheses.
Step 1.4.2.2
Multiply by by adding the exponents.
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Step 1.4.2.2.1
Multiply by .
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Step 1.4.2.2.1.1
Raise to the power of .
Step 1.4.2.2.1.2
Use the power rule to combine exponents.
Step 1.4.2.2.2
Write as a fraction with a common denominator.
Step 1.4.2.2.3
Combine the numerators over the common denominator.
Step 1.4.2.2.4
Add and .
Step 1.5
The solution to the system is the complete set of ordered pairs that are valid solutions.
Step 2
The area of the region between the curves is defined as the integral of the upper curve minus the integral of the lower curve over each region. The regions are determined by the intersection points of the curves. This can be done algebraically or graphically.
Step 3
Integrate to find the area between and .
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Step 3.1
Combine the integrals into a single integral.
Step 3.2
Multiply by .
Step 3.3
Split the single integral into multiple integrals.
Step 3.4
Since is constant with respect to , move out of the integral.
Step 3.5
By the Power Rule, the integral of with respect to is .
Step 3.6
Combine and .
Step 3.7
Since is constant with respect to , move out of the integral.
Step 3.8
By the Power Rule, the integral of with respect to is .
Step 3.9
Simplify the answer.
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Step 3.9.1
Combine and .
Step 3.9.2
Substitute and simplify.
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Step 3.9.2.1
Evaluate at and at .
Step 3.9.2.2
Evaluate at and at .
Step 3.9.2.3
Simplify.
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Step 3.9.2.3.1
Rewrite as .
Step 3.9.2.3.2
Apply the power rule and multiply exponents, .
Step 3.9.2.3.3
Cancel the common factor of .
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Step 3.9.2.3.3.1
Cancel the common factor.
Step 3.9.2.3.3.2
Rewrite the expression.
Step 3.9.2.3.4
Raising to any positive power yields .
Step 3.9.2.3.5
Multiply by .
Step 3.9.2.3.6
Cancel the common factor of and .
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Step 3.9.2.3.6.1
Factor out of .
Step 3.9.2.3.6.2
Cancel the common factors.
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Step 3.9.2.3.6.2.1
Factor out of .
Step 3.9.2.3.6.2.2
Cancel the common factor.
Step 3.9.2.3.6.2.3
Rewrite the expression.
Step 3.9.2.3.6.2.4
Divide by .
Step 3.9.2.3.7
Multiply by .
Step 3.9.2.3.8
Add and .
Step 3.9.2.3.9
Combine and .
Step 3.9.2.3.10
Multiply by .
Step 3.9.2.3.11
Factor out of .
Step 3.9.2.3.12
Cancel the common factors.
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Step 3.9.2.3.12.1
Factor out of .
Step 3.9.2.3.12.2
Cancel the common factor.
Step 3.9.2.3.12.3
Rewrite the expression.
Step 3.9.2.3.13
Rewrite as .
Step 3.9.2.3.14
Apply the power rule and multiply exponents, .
Step 3.9.2.3.15
Cancel the common factor of .
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Step 3.9.2.3.15.1
Cancel the common factor.
Step 3.9.2.3.15.2
Rewrite the expression.
Step 3.9.2.3.16
Raising to any positive power yields .
Step 3.9.2.3.17
Multiply by .
Step 3.9.2.3.18
Cancel the common factor of and .
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Step 3.9.2.3.18.1
Factor out of .
Step 3.9.2.3.18.2
Cancel the common factors.
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Step 3.9.2.3.18.2.1
Factor out of .
Step 3.9.2.3.18.2.2
Cancel the common factor.
Step 3.9.2.3.18.2.3
Rewrite the expression.
Step 3.9.2.3.18.2.4
Divide by .
Step 3.9.2.3.19
Multiply by .
Step 3.9.2.3.20
Add and .
Step 3.9.2.3.21
To write as a fraction with a common denominator, multiply by .
Step 3.9.2.3.22
To write as a fraction with a common denominator, multiply by .
Step 3.9.2.3.23
Write each expression with a common denominator of , by multiplying each by an appropriate factor of .
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Step 3.9.2.3.23.1
Multiply by .
Step 3.9.2.3.23.2
Multiply by .
Step 3.9.2.3.23.3
Multiply by .
Step 3.9.2.3.23.4
Multiply by .
Step 3.9.2.3.24
Combine the numerators over the common denominator.
Step 3.9.2.3.25
Multiply by .
Step 3.9.2.3.26
Multiply by .
Step 4