​find all the numbers for which rational expression is not defined.

label Algebra
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Apr 10th, 2015

(4x^2-8x)/(4x^2+4x)

factorising

4x(x-2)/4x(x+1)

(x-2)/(x+1)

when x=2, the numerator will be zero

when x=-1 the denominator will be zero and hence the expression will not be defined....please best me

Apr 10th, 2015

Thank you very much. You are very helpful.


Apr 10th, 2015

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Apr 10th, 2015
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Apr 10th, 2015
Jun 25th, 2017
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