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The non zero vectors veca,vecb, and vecc...

The non zero vectors `veca,vecb, and vecc ` are related byi `veca=8vecb nd vecc=-7vecb.` Then the angle between `veca and vecc` is (A) `pi` (B) 0 (C) `pi/4` (D) `pi/2`

A

`pi/4`

B

`pi/2`

C

`pi`

D

0

Text Solution

Verified by Experts

The correct Answer is:
C
`veca` and `vecb` vectors are in the same direction. `vecb` and `vecc` are in the opposite direction.
`rArr veca` and `vecc` are in opposite directions.
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