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if alpha, beta be the roots of the equat...

if `alpha, beta` be the roots of the equation `ax^2+bx+c=0` then the roots of `a(2x+1)^2+b(2x+1)(x-1)+c(x-1)^2=0` are (i) `(2alpha+1)/(alpha-1),(2beta+1)/(beta-1)` (ii) `(2alpha-1)/(alpha+1),(2beta-1)/(beta+1)` (iii) `(alpha+1)/(alpha-2),(beta+1)/(beta-2)` (iv) `(2alpha+3)/(alpha-1),(2beta+3)/(beta-1)`

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