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If C = 2 cos theta, then the value of th...

If `C = 2 cos theta`, then the value of the determinant `Delta = |(C,1,0),(1,C,1),(6,1,c)|`, is

A

`(sin4theta)/(sintheta)`

B

`(2sin^(2)2theta)/(sintheta)`

C

`4cos^(2)theta(2costheta-1)`

D

none of these

Text Solution

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The correct Answer is:
D
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