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It is found that |A+B|=|A|,This necessar...

It is found that `|A+B|=|A|`,This necessarily implies.

A

`vecB = 0 `

B

`vecA, vecB` are antiparallel

C

`vecA, vecB` are perpendicular

D

`vecA * vecB le 0 `

Text Solution

Verified by Experts

The correct Answer is:
B
If `|vecA + vecB| = |vecA|`, then either `vecB = - or vecB = -2vecA.` Both are satisfied when `vecA and vecB` are anti-parallel.
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