Math, asked by afford, 1 year ago

pls answer this one

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Answered by birendrak1975

The answer is B option {-1,1}

afford: how

birendrak1975: See you the domain of x is all real numbers except -2. So if you out any positive number then the value is 1. And if you out any negative value then the value is -1

afford: out, in what is this sir

birendrak1975: Sorry that is put

afford: OK but why u had done this

birendrak1975: In order to find the range. See in objective questions like this you cannot give an exact theoretical answer. So we just take few examples in order to give or check our answer.

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