If , what is ?

Answer and explanation

Correct answer: D. 6

  1. Step 1: The derivative of is obtained by differentiating each term according to .
  2. Step 2: Write out the resulting derivative expression .
  3. Step 3: Evaluating at gives .
Answer
6.
Why not the others: 8 is an overestimation calculation miscalculation; 4 is an underestimation calculation miscalculation; 12 is an overestimation calculation miscalculation.

Practise more Differentiation.

Free questions with an explanation for every one, and full timed JEE Main mock tests.

All Differentiation questionsTake a mock test

More Differentiation questions