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If the vectors ai + j + k , i + bj + k a...

If the vectors ai + j + k , i + bj + k and i + j + ck, where a, b, c `ne1`, are coplanar,
then : `1/(1-a)+1/(1-b)+1/(1-c)=…`

A

`-1`

B

`-(1)/(2)`

C

`(1)/(2)`

D

1

Text Solution

Verified by Experts

The correct Answer is:
D
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