# Calculas

posted by Jake

lim (x⁻¹-1)⁄x-1 as x approaches 1.

I know the answer is -1 but I am not sure how to solve the numerator x⁻¹-1.

1. Jake

(x⁻¹-1) / x-1

2. Steve

x⁻¹-1 = 1/x - 1 = (1-x)/x

(1-x)/x
---------- = -1/x
x-1

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