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If |veca|= 2, |vecb|=4 ,(veca,vecb)=(pi)...

If `|veca|`= 2, `|vecb|`=4 ,(`veca`,`vecb`)=(`pi`)/6 then ``|`veca`X`vecb`|^(2)`` = 1) 16 2) 2 3) 775 4) 36

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If |vecaxxvecb|=2,|veca.vecb|=2 , then |veca|^(2)|vecb|^(2) is equal to

If |veca|=4,|vecb|=2 and angle between veca and vecb is pi/6 then (vecaxxvecb)^2 is (A) 48 (B) (veca)^2 (C) 16 (D) 32

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If |veca|=3, |vecb|=4 and the angle between veca and vecb is 120^(@) . Then find the value of |4 veca + 3vecb|

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