Calculus Examples

Find dx/dy y=765/( cube root of x)
Step 1
Use to rewrite as .
Step 2
Differentiate both sides of the equation.
Step 3
Differentiate using the Power Rule which states that is where .
Step 4
Differentiate the right side of the equation.
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Step 4.1
Since is constant with respect to , the derivative of with respect to is .
Step 4.2
Differentiate using the Quotient Rule which states that is where and .
Step 4.3
Differentiate using the Constant Rule.
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Step 4.3.1
Multiply by .
Step 4.3.2
Multiply the exponents in .
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Step 4.3.2.1
Apply the power rule and multiply exponents, .
Step 4.3.2.2
Combine and .
Step 4.3.3
Since is constant with respect to , the derivative of with respect to is .
Step 4.3.4
Simplify the expression.
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Step 4.3.4.1
Multiply by .
Step 4.3.4.2
Subtract from .
Step 4.3.4.3
Move the negative in front of the fraction.
Step 4.3.4.4
Multiply by .
Step 4.4
Differentiate using the chain rule, which states that is where and .
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Step 4.4.1
To apply the Chain Rule, set as .
Step 4.4.2
Differentiate using the Power Rule which states that is where .
Step 4.4.3
Replace all occurrences of with .
Step 4.5
To write as a fraction with a common denominator, multiply by .
Step 4.6
Combine and .
Step 4.7
Combine the numerators over the common denominator.
Step 4.8
Simplify the numerator.
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Step 4.8.1
Multiply by .
Step 4.8.2
Subtract from .
Step 4.9
Move the negative in front of the fraction.
Step 4.10
Combine and .
Step 4.11
Move to the denominator using the negative exponent rule .
Step 4.12
Rewrite as .
Step 4.13
Combine and .
Step 4.14
Rewrite as a product.
Step 4.15
Multiply by .
Step 4.16
Multiply by by adding the exponents.
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Step 4.16.1
Move .
Step 4.16.2
Use the power rule to combine exponents.
Step 4.16.3
Combine the numerators over the common denominator.
Step 4.16.4
Add and .
Step 4.17
Combine and .
Step 4.18
Factor out of .
Step 4.19
Cancel the common factors.
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Step 4.19.1
Factor out of .
Step 4.19.2
Cancel the common factor.
Step 4.19.3
Rewrite the expression.
Step 4.20
Move the negative in front of the fraction.
Step 5
Reform the equation by setting the left side equal to the right side.
Step 6
Solve for .
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Step 6.1
Rewrite the equation as .
Step 6.2
Divide each term in by and simplify.
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Step 6.2.1
Divide each term in by .
Step 6.2.2
Simplify the left side.
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Step 6.2.2.1
Dividing two negative values results in a positive value.
Step 6.2.2.2
Divide by .
Step 6.2.3
Simplify the right side.
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Step 6.2.3.1
Divide by .
Step 6.3
Multiply both sides by .
Step 6.4
Simplify the left side.
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Step 6.4.1
Cancel the common factor of .
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Step 6.4.1.1
Cancel the common factor.
Step 6.4.1.2
Rewrite the expression.
Step 6.5
Divide each term in by and simplify.
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Step 6.5.1
Divide each term in by .
Step 6.5.2
Simplify the left side.
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Step 6.5.2.1
Cancel the common factor of .
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Step 6.5.2.1.1
Cancel the common factor.
Step 6.5.2.1.2
Divide by .
Step 6.5.3
Simplify the right side.
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Step 6.5.3.1
Move the negative in front of the fraction.
Step 7
Replace with .