Question
First simplify the given expression and then guess the value of the limit.$\lim _{x \rightarrow 1} \frac{x^{2}+4 x-5}{x-1}$
Step 1
We can factorize the numerator $x^{2}+4x-5$ to $(x-1)(x+5)$. So, the expression becomes $\frac{(x-1)(x+5)}{x-1}$. Show more…
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