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Let alpha and beta be any two positive v...

Let `alpha` and `beta` be any two positive values of x for which `2 cos x,|cos x|`, and `1-3cos^(2)x` are in G.P. The minimum value of `|alpha-beta|` is

A

`(pi)/3`

B

`(pi)/4`

C

`(pi)/2`

D

`(pi)/6`

Text Solution

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The correct Answer is:
D
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