1.

If roots of the equation 2 x^(2) - 4 x + 2 sin theta - 1 = 0are of opposite sign, then 'theta' belongs to

Answer»

`((PI)/( 6), (5 pi)/(6))`
` (0, (pi)/( 6)) cup ((5 pi)/(6), pi)`
` ((13 pi)/( 6), (17 pi)/( 6))`
`(0, pi)`

ANSWER :B


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