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Question

If a, b, c, are in AP, then the value of


A

3

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B

-3

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C

0

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D

1

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Solution

The correct option is C

0


R1 R1+ R3-2R2 and using 2b-a-c=0

[ a, b, c are in AP]

We get the given determinant having all elements, in the first row as zero.

The value of determinant = 0.


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