Calculus Examples

Find the Derivative - d/dx y=( fifth root of x-2 fourth root of x+1)(x^3-5x-7)
Step 1
Apply basic rules of exponents.
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Step 1.1
Use to rewrite as .
Step 1.2
Use to rewrite as .
Step 2
Differentiate using the Product Rule which states that is where and .
Step 3
Differentiate.
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Step 3.1
By the Sum Rule, the derivative of with respect to is .
Step 3.2
Differentiate using the Power Rule which states that is where .
Step 3.3
Since is constant with respect to , the derivative of with respect to is .
Step 3.4
Differentiate using the Power Rule which states that is where .
Step 3.5
Multiply by .
Step 3.6
Since is constant with respect to , the derivative of with respect to is .
Step 3.7
Add and .
Step 3.8
By the Sum Rule, the derivative of with respect to is .
Step 3.9
Differentiate using the Power Rule which states that is where .
Step 4
To write as a fraction with a common denominator, multiply by .
Step 5
Combine and .
Step 6
Combine the numerators over the common denominator.
Step 7
Simplify the numerator.
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Step 7.1
Multiply by .
Step 7.2
Subtract from .
Step 8
Combine fractions.
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Step 8.1
Move the negative in front of the fraction.
Step 8.2
Combine and .
Step 8.3
Move to the denominator using the negative exponent rule .
Step 9
Since is constant with respect to , the derivative of with respect to is .
Step 10
Differentiate using the Power Rule which states that is where .
Step 11
To write as a fraction with a common denominator, multiply by .
Step 12
Combine and .
Step 13
Combine the numerators over the common denominator.
Step 14
Simplify the numerator.
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Step 14.1
Multiply by .
Step 14.2
Subtract from .
Step 15
Move the negative in front of the fraction.
Step 16
Combine and .
Step 17
Combine and .
Step 18
Move to the denominator using the negative exponent rule .
Step 19
Factor out of .
Step 20
Cancel the common factors.
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Step 20.1
Factor out of .
Step 20.2
Cancel the common factor.
Step 20.3
Rewrite the expression.
Step 21
Move the negative in front of the fraction.
Step 22
Since is constant with respect to , the derivative of with respect to is .
Step 23
Simplify the expression.
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Step 23.1
Add and .
Step 23.2
Reorder terms.