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The least difference between the roots o...

The least difference between the roots of the equation `4cos x ( 2- 3 sin^(2)x)+ cos 2x + 1 = 0 AA x in R ` is :

A

equal to ` (pi)/(2)`

B

` gt (pi)/(10) `

C

` lt (pi)/(2) `

D

` lt (pi)/(3) `

Text Solution

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The correct Answer is:
B, C, D
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