Answer and explanation

Correct answer: D. 14

  1. Step 1: Factorise: , which tends to . Answer: 14. Why not the others: 7: gives instead of . 49: gives . 0: treats the form as 0/0 = 0.

Practise more Algebra, calculus and geometry.

Free questions with an explanation for every one, and full timed UNI Admission Exam (Peru) mock tests.