Answer and explanation

Correct answer: D. 12

  1. Step 1: Since , . Answer: 12. Why not the others: 7: adds the exponents. 3: ignores the power. 500: multiplies the argument.

Practise more Calculus, algebra and coordinate geometry.

Free questions with an explanation for every one, and full timed IOE Engineering Entrance Examination (Tribhuvan University, Nepal) mock tests.