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If vecA=3hati+4hatj and vecB=6hati+8hatj...

If `vecA=3hati+4hatj` and `vecB=6hati+8hatj`, select correct alternatives :-
`(i) vecA.vecB=50" "(ii)2A=B`
`(iii)hatA=hatB" "(iv) hatAxxvecB=vec0`

A

(i, ii)

B

(ii, iii)

C

(i, iv)

D

(i, ii, iii, iv)

Text Solution

Verified by Experts

The correct Answer is:
D
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