find the non-zero value of k, for which the quadratic equation kx^2+1-2(k-1)x+x^2=0 has equal roots.hence find the root of the equation
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discriminant use
eumqual root so D=0
so b^2-4ac=0
apply on this
eumqual root so D=0
so b^2-4ac=0
apply on this
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