1.

The set of all x in the interval [0,pi] for which 2sin^(2)x-3sinx+1ge0

Answer»

`[0,(PI)/6]uu{(pi)/2}uu[(5pi)/6,pi]`
`[0,(pi)/6]uu[(5pi)/6,pi]`
`[0,(pi)/2]uu[(5pi)/6,pi]`
`(0,(pi)/2)uu((5pi)/6,pi)`

ANSWER :A


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