1.

IFalpha, betaare therootsofax ^2+ bx+ c=0, alpha_1 , - betathe rootsofa_1 x^2+ b _1 x + c_(1) =0thenalpha, alphaaretherootsof theequation

Answer»

`(b/a+b_1/a_1)^-1x^2+x(b_1/c_1+b/c)^-1=0`
`(b/a-b_1/a_1)^-1x^2-x(b_1/c_1+b/c)^-1=0`
`(b/a+b_1/a_1)^-1x^2-x(b_1/c_1+b/c)^-1=0`
none

Answer :A


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