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`|(cos (alpha+beta),-sin (alpha+beta),cos 2 beta),(sin alpha, cos alpha, sin beta),(-cos alpha, sin alpha, cos beta)|` is independent of

A

`beta`

B

`alpha` and `beta`

C

`alpha`

D

neither `alpha` nor `beta`

Text Solution

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The correct Answer is:
C
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AAKASH SERIES-MATRICES -DETERMINANTS-PRACTICE EXERCISE
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  14. Assertion (A) : |{:(1,2,2),(2,3,4),(3,5,6):}|=0 Reason (R) : If the ...

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  15. If |{:(6i , -3i , 1) , (4 , 3i , -1) , (20 , 3 , i):}| = x +iy show t...

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  17. If a^(2)+b^(2)+c^(2)=-2 and f(x)=|(1+a^(2)x,(1+b^(2))x,(1+c^(2))x),((1...

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