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Matrix [(a,b,(a alpha-b)),(b,c,(balpha-c...

Matrix `[(a,b,(a alpha-b)),(b,c,(balpha-c)),(2,1,0)]` is non invertible if

A

`alpha=1//2`

B

a, b, c are in A.P.

C

a, b, c are in G.P.

D

a, b, c are in H.P.

Text Solution

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The correct Answer is:
A, C
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