1.

If 4 cos^(4) theta , 4 sin^(4) theta + alpah are the roots of the equation x^2 +b(2x+1)=0 and 4cos^(2) theta +beta, 4sin^(2)theta + beta are the roots of the equation x^2 + 4x +2 =0 then b is equal to :

Answer»

1
`-1`
0
`-2`

ANSWER :B


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