Calculus Examples

Find the Derivative - d/dx 1/2*(xe^(-1/2x))
Step 1
Differentiate using the Constant Multiple Rule.
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Step 1.1
Move the negative in front of the fraction.
Step 1.2
Combine fractions.
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Step 1.2.1
Combine and .
Step 1.2.2
Combine and .
Step 1.2.3
Combine and .
Step 1.3
Since is constant with respect to , the derivative of with respect to is .
Step 2
Differentiate using the Product Rule which states that is where and .
Step 3
Differentiate using the chain rule, which states that is where and .
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Step 3.1
To apply the Chain Rule, set as .
Step 3.2
Differentiate using the Exponential Rule which states that is where =.
Step 3.3
Replace all occurrences of with .
Step 4
Differentiate.
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Step 4.1
Since is constant with respect to , the derivative of with respect to is .
Step 4.2
Combine fractions.
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Step 4.2.1
Combine and .
Step 4.2.2
Combine and .
Step 4.3
Differentiate using the Power Rule which states that is where .
Step 4.4
Multiply by .
Step 4.5
Differentiate using the Power Rule which states that is where .
Step 4.6
Multiply by .
Step 5
Simplify.
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Step 5.1
Apply the distributive property.
Step 5.2
Combine terms.
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Step 5.2.1
Multiply by .
Step 5.2.2
Multiply by .
Step 5.2.3
Combine and .