Answer and explanation

Correct answer: C.

  1. Step 1: The integral of a reciprocal of a linear function is a logarithm: . **Answer: . Why not the others:** : That has the wrong constant inside the logarithm. : That is the integral of , not of . : That ignores the constant inside the bracket.

Practise more Integration and Kinematics.

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