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The points with positivon vectors 60 hat...

The points with positivon vectors `60 hati + 3 hatj , 40 hati - 8 hatj and a hati - 52 hatj` are collinarar if :

A

`a =-40`

B

`a =40`

C

`a=20`

D

None of these.

Text Solution

Verified by Experts

The correct Answer is:
A
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