1.

Let (bcos x)/(2 cos 2x-1)=(b+sinx)/((cos^(2)x-3sin^(2)x)tanx), b in R Equation has solution if

Answer»

`B in (-oo,1/2)-{-1,0,1/3}`
`b in (-oo,1)-{-1,0,1/3}`
`b in R-{-1,0,1/3}`
`b in (-oo,1/2)`

ANSWER :A


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