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Let Delta=|(1,sinalpha,1),(-sinalpha,1,s...

Let `Delta=|(1,sinalpha,1),(-sinalpha,1,sinalpha),(-1,-sinalpha,1)|` then `Delta` lies in the interval

A

|A|=0

B

`|A| in (2, infty)`

C

`|A| in (2, 4)`

D

`|A| in [2, 4]`

Text Solution

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The correct Answer is:
D
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