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If x gt0 and |(x, sin theta, cos theta),...

If `x gt0 and |(x, sin theta, cos theta),(-sin theta, x, 1),(cos theta, 1, x)|=0` then

A

`x lt sqrt(2)`

B

`x=sqrt(2)`

C

`x gt sqrt(2)`

D

none of these

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The correct Answer is:
d
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