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If alpha and beta the roots of the equat...

If `alpha and beta` the roots of the equation `a x^2+b x+c=0` then the sum of roots of the equation `a^2 x^2+(b^2-2 a c)x+b^2-4 a c=0` `(i) -(alpha^2 - beta^2) (ii) (alpha + beta)^2 -2alphabeta (iii) alpha^2beta + beta^2 alpha -4alphabeta (iv) -(alpha^2 + beta^2) `

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