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The vectors vec(a),vec(b),vec(c) are suc...

The vectors `vec(a),vec(b),vec(c)` are such that the projection of `vec(c)" on "vec(a)` is equal to the projection of `vec(c)" on "vec(b).` If `|vec(a)|=2,vec(b)|=1,|vec(c)|=3andvec(a).vec(b)=1,` then `|vec(a)-2vec(b)-vec(c)|` is equal to

A

3

B

`sqrt(10)`

C

`sqrt(12)`

D

`sqrt(13)`

Text Solution

Verified by Experts

The correct Answer is:
D
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