Question

how to find this limit: lim (xˆ2-1)/(x-1) when x goes to 1?

Answer 1

2 is the answer

Answer 2

2 because:\[\frac{x^2-1}{x-1} = \frac{(x-1)(x+1)}{x-1} = x+1\]

Answer 3

(x^2-1)/(x-1)
(x-1)(x+1)/(x-1)
(x+1)
after applying limit x goes to 1
we have answer is 2