Find .

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.

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Find lim x -> 7 (x 2 - 49)/(x - 7). | NSW HSC