If , what is ?

Answer and explanation

Correct answer: A. -3

  1. Step 1: Differentiate the polynomial function term by term using the power rule .
  2. Step 2: Applying the power rule to each term determines the derivative expression .
  3. Step 3: Evaluate at : substituting yields .
Answer
-3.
Why not the others: -6 is an underestimation calculation miscalculation; -2 is an overestimation calculation miscalculation; 0 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