Simplify f(x)=x2+x−2x−1f(x) = \frac{x^2 + x - 2}{x - 1}f(x)=x−1x2+x−2 for x≠1x \ne 1x=1 and find limx→1f(x)\lim_{x \to 1} f(x)limx→1f(x).
f(x)=x+2f(x) = x + 2f(x)=x+2; limit is 3
f(x)=x−2f(x) = x - 2f(x)=x−2; limit is -1
Cannot simplify
f(x)=(x+2)(x−1)f(x) = (x+2)(x-1)f(x)=(x+2)(x−1); limit 0