Find the gradient of at .

Answer and explanation

Correct answer: A.

  1. Step 1: Quotient rule: . Step 2. At : . **Answer: . Why not the others:** 6: That differentiates only the numerator. : That adds in the numerator instead of subtracting in the quotient rule. : That does not square the denominator.

Practise more Further calculus and statistical inference.

Free questions with an explanation for every one, and full timed Singapore GCE A-Level mock tests.

All Further calculus and statistical inference questionsTake a mock test

More Further calculus and statistical inference questions