Calculus Examples

Find the Derivative - d/d@VAR f(t)=t/(e^t)
Step 1
Differentiate using the Quotient Rule which states that is where and .
Step 2
Differentiate using the Power Rule.
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Step 2.1
Multiply the exponents in .
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Step 2.1.1
Apply the power rule and multiply exponents, .
Step 2.1.2
Move to the left of .
Step 2.2
Differentiate using the Power Rule which states that is where .
Step 2.3
Multiply by .
Step 3
Differentiate using the Exponential Rule which states that is where =.
Step 4
Simplify.
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Step 4.1
Reorder terms.
Step 4.2
Factor out of .
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Step 4.2.1
Factor out of .
Step 4.2.2
Multiply by .
Step 4.2.3
Factor out of .
Step 4.3
Cancel the common factor of and .
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Step 4.3.1
Factor out of .
Step 4.3.2
Cancel the common factors.
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Step 4.3.2.1
Multiply by .
Step 4.3.2.2
Cancel the common factor.
Step 4.3.2.3
Rewrite the expression.
Step 4.3.2.4
Divide by .
Step 4.4
Apply the distributive property.
Step 4.5
Rewrite using the commutative property of multiplication.
Step 4.6
Multiply by .
Step 4.7
Reorder factors in .