What is the derivative of with respect to ?
Answer and explanation
Correct answer: B.
- Step 1: Apply the chain rule: , with .
- Step 2: Compute the derivative of : .
- Step 3: Divide by : .
Answer
.
Why not the others: differentiates incorrectly; is the derivative of ; is the derivative of .
Practise more Limits, continuity and differentiability.
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