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If the points P(bara+2barb+barc),Q(2bara...

If the points `P(bara+2barb+barc),Q(2bara+3barb) and R(barb+tbarc)` are collinear, where `bara,barb,barc` are three non-coplanar vectors, then the value of `t` is...a)`-2` b)`-1/2` c)`1/2` d)`2`

A

`-2`

B

`-(1)/(2)`

C

`1/2`

D

2

Text Solution

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The correct Answer is:
D
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