1.

If sin^(2)x-asinx+b=0 has only one solution in (0,pi) then which of the following statemnets are correct?

Answer»

`a in (- infty, 1] cup [2, infty)`
`b in (- infty, 0] cup [1, infty)`
`a = 1 + b`
`a in ( - infty, 0) cup (0, infty)`

ANSWER :A::B::C


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