1.

Let a,b and c be three distinct real roots of the cubic x ^(3) +2x ^(2)-4x-4=0. If the equation x ^(3) +qx ^(2)+rx+le =0 has roots 1/a, 1/b and 1/c, then the vlaue of (q+r+s) is equal to :

Answer»

`3/4`
`1/2`
`1/4`
`1/6`

ANSWER :C


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