What is the derivative of with respect to ?

Answer and explanation

Correct answer: B.

  1. Step 1: Apply the chain rule: , with .
  2. Step 2: Compute the derivative of : .
  3. 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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