Question

lim x стремящийся к х 2 x^2-9x+14/x^2-11x+18

Answer 1

Ответ:

81 - 56 = 25 = 5^2

9 + 5 / 2 = 7

121 - 72 = 49 = 7^2

11 + 7 = 18 / 2 = 9

lim (x-7) / (x - 9) =lim (2 - 7) / (2 - 9) = lim -5 / -7 = 5/7