1.

If vec(b) = 3 vec(i) + 4 vec(j) and vec(a) = hat(i) - vec(j) the vector having the same magnitude as that of vec(b) and parallel to vec(a) is

Answer»

`(5)/(SQRT2) (HAT(i) - hat(J))`
`(5)/(sqrt2) (hat(i) + hat(j))`
`5 (hat(i)- hat(j))`
`5 (hat(i) + hat(j))`

ANSWER :A


Discussion

No Comment Found