1.

If alpha and beta are the roots of the equation ax^(2)+bx+c=0, find the value of the following expressions in terms of a, b and c (a) alpha^(2)+beta^(2) (b) (1)/(alpha)+(1)/(beta) (c) alpha^(4)-beta^(4)

Answer»


Answer :`-(b)/(a^(4))(b^(2)-2ac)SQRT(b^(2)-4AC)`


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