Calculus Examples

Find the Derivative - d/dx y = natural log of 1-xe^(-x)
Step 1
Differentiate using the chain rule, which states that is where and .
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Step 1.1
To apply the Chain Rule, set as .
Step 1.2
The derivative of with respect to is .
Step 1.3
Replace all occurrences of with .
Step 2
Differentiate.
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Step 2.1
By the Sum Rule, the derivative of with respect to is .
Step 2.2
Since is constant with respect to , the derivative of with respect to is .
Step 2.3
Add and .
Step 2.4
Since is constant with respect to , the derivative of with respect to is .
Step 3
Differentiate using the Product Rule which states that is where and .
Step 4
Differentiate using the chain rule, which states that is where and .
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Step 4.1
To apply the Chain Rule, set as .
Step 4.2
Differentiate using the Exponential Rule which states that is where =.
Step 4.3
Replace all occurrences of with .
Step 5
Differentiate.
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Step 5.1
Since is constant with respect to , the derivative of with respect to is .
Step 5.2
Differentiate using the Power Rule which states that is where .
Step 5.3
Simplify the expression.
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Step 5.3.1
Multiply by .
Step 5.3.2
Move to the left of .
Step 5.3.3
Rewrite as .
Step 5.4
Differentiate using the Power Rule which states that is where .
Step 5.5
Multiply by .
Step 6
Simplify.
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Step 6.1
Apply the distributive property.
Step 6.2
Combine terms.
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Step 6.2.1
Multiply by .
Step 6.2.2
Multiply by .
Step 6.3
Reorder the factors of .
Step 6.4
Multiply by .
Step 6.5
Factor out of .
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Step 6.5.1
Factor out of .
Step 6.5.2
Factor out of .
Step 6.5.3
Factor out of .