1.

Thevectors vec(a) = - 4hat(i) + 3hat(k), vec(b)

Answer»

`HAT(i) + hat(J) + 2hat(k)`
`hat(i) - hat(j) + 2hat(k)`
`hat(i)+ hat(j)- 2hat(k)`
NONE of these

Answer :A


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