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The equation x - 2 x − 1 = 2 - 2 x − 1 has

 
infinitely many roots
two roots
one root
no root

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X can't be 1 otherwise denominator X-1 will become 0 and equation will result in infinity so only one root possible

In question it was asked x-2/x-1 = 2-2/x-1 But in answer its said that x-2/x-1 = 1-2/x-1 ??????

Wrong explanation