1.

Ifalpha, beta, gammaare therootsofx^3 -px^2+qx -r=0andr ne 0thenfind(1)/( alpha^2) +(1)/( beta^2) +(1)/( gamma^2)in termsof p,q ,r

Answer»


ANSWER :`(q^2 -2 RP^(-))/( r^2)`


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