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Find (lim)(x->1)f(x) ,where f(x)={(x^2-1...

Find `(lim)_(x->1)f(x)` ,where `f(x)={(x^2-1, xlt=1),(-x^2-1, x >1):}`

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To find the limit \(\lim_{x \to 1} f(x)\) where \[ f(x) = \begin{cases} x^2 - 1 & \text{if } x < 1 \\ -x^2 - 1 & \text{if } x > 1 \end{cases} ...
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