Where-f-x-4x-2-1-2x-1-defined-in-R-1-2-determine-lim-x-1-2-f-x-

Question Number 71000 by Maclaurin Stickker last updated on 10/Oct/19

W h e r e f (x) = \frac{4 x^{2} - 1}{2 x - 1} d e f i n e d i n

R - {\frac{1}{2}}, d e t e r m i n e \lim_{x \to \frac{1}{2}} f (x) .

Commented by mathmax by abdo last updated on 10/Oct/19

{l i m}_{x \to \frac{1}{2}} f (x) = {l i m}_{x \to \frac{1}{2}} \frac{(2 x - 1) (2 x + 1)}{2 x - 1} = {l i m}_{x \to \frac{1}{2}} (2 x + 1) = 2