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Let X be the solution set of the equatio...

Let X be the solution set of the equation
`A^(x)=I, "where A"=|{:(,0,1,-1),(,4,-3,4),(,3,-3,4):}|` and I is the unit matrix and `X subsetN` then the minimum value of `underset(x)sum(cos^(x)theta+sin^(2)theta),theta inR` is

A

2

B

4

C

0

D

-2

Text Solution

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The correct Answer is:
A
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