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Let vec(A) = (hat(i) + hat(j)) and, vec(...

Let `vec(A) = (hat(i) + hat(j))` and, `vec(B) = (2hat(i) - hat(j))`. The magnitude of a coplanar vector `vec(C)` such that `vec(A)vec(C) = vec(B)vec(C) = vec(A)vec(B)`, is given by :

A

`sqrt((10)/(9))`

B

`sqrt((5)/(9))`

C

`sqrt((20)/(9))`

D

`sqrt((9)/(12))`

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The correct Answer is:
B
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AAKASH SERIES-MOTION IN A PLANE -Exercise -II
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