Calculus Examples

Find dz/dx z=( natural log of 3.4x^4+7.1)/(y+3.7)
Step 1
Differentiate both sides of the equation.
Step 2
The derivative of with respect to is .
Step 3
Differentiate the right side of the equation.
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Step 3.1
Since is constant with respect to , the derivative of with respect to is .
Step 3.2
Differentiate using the chain rule, which states that is where and .
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Step 3.2.1
To apply the Chain Rule, set as .
Step 3.2.2
The derivative of with respect to is .
Step 3.2.3
Replace all occurrences of with .
Step 3.3
Differentiate.
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Step 3.3.1
Multiply by .
Step 3.3.2
By the Sum Rule, the derivative of with respect to is .
Step 3.3.3
Since is constant with respect to , the derivative of with respect to is .
Step 3.3.4
Differentiate using the Power Rule which states that is where .
Step 3.3.5
Multiply by .
Step 3.3.6
Since is constant with respect to , the derivative of with respect to is .
Step 3.3.7
Combine fractions.
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Step 3.3.7.1
Add and .
Step 3.3.7.2
Combine and .
Step 3.3.7.3
Combine and .
Step 3.4
Simplify.
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Step 3.4.1
Factor out of .
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Step 3.4.1.1
Factor out of .
Step 3.4.1.2
Factor out of .
Step 3.4.1.3
Factor out of .
Step 3.4.2
Factor out of .
Step 3.4.3
Factor out of .
Step 3.4.4
Separate fractions.
Step 3.4.5
Divide by .
Step 3.4.6
Combine and .
Step 4
Reform the equation by setting the left side equal to the right side.
Step 5
Replace with .