The derivative of is for , and . The value of is:

Answer and explanation

Correct answer: D. 4

  1. Step 1: , since the numerator is the derivative of the denominator.
  2. Step 2: , so .
  3. Step 3: At : , so .
Answer
4.
Why not the others: The antiderivative has inside the logarithm; is not ; the answer must use the logarithm rule.

Practise more Calculus: Anti-differentiation and Areas Under Curves.

Free questions with an explanation for every one, and full timed Victorian VCE mock tests.