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If vectors 2i-j+k,i+2j-3k and 3i+mj+5k a...

If vectors 2i-j+k,i+2j-3k and 3i+mj+5k are coplaner, then m is a root of the equation

A

16

B

-4

C

4

D

-8

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SL ARORA-Motion in a Plane-Excercise
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