What is the limit of 7/(4(x-1)^2) as x approaches 1?

1 Answer
Apr 16, 2018

Look below

Explanation:

First, rewrite this as lim_(x->1) 7/(4(x-1)^2

now factor (x-1)^2 = (x-1)(x-1) = x^2-2x+1

\frac{7}{4x^2-2x+1}

now substitute x -> 1

\frac{7}{4(1)^2 -2(1)+1

7/3

therefore lim_(x->1) 7/(4(x-1)^2) = 7/6