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If vec(u)=vec(a)-vec(b) and vec(v)=vec(a...

If `vec(u)=vec(a)-vec(b)` and `vec(v)=vec(a)+vec(b)`, and `|vec(a)|=|vec(b)|=2`, then `|vec(u)xxvec(v)|` is equal to

A

`sqrt(16-(vec(a)*vec(b))^(2))`

B

`sqrt(16-(vec(a)*vec(b))^(2))`

C

`2sqrt(4-(vec(a)*vec(b))^(2))`

D

`sqrt(4-(vec(a)*vec(b))^(2))`

Text Solution

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The correct Answer is:
A
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