(adsbygoogle = window.adsbygoogle || []).push({}); simple prob....pls solve

Plz some one explan How...

lim x->1 [ 1 / 1-x - 3 / 1-x^2 ] = lim x->1 [1+x-3 /1-x^2]

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# Homework Help: Simple prob pls solve

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