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If all the vectors a, b, c, a + b, b + c...

If all the vectors a, b, c, `a + b, b + c` and a + b +c be unit vectors , then

A

`a + c` is a unit vector

B

`|a + c| = sqrt(2)`

C

`a.c =0`

D

`a xx c = 0`

Text Solution

Verified by Experts

The correct Answer is:
C
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