1.

The point of intersection of the lines represented by r = (hat(i) + 2 hat(j)) + lambda[2 hat(i) + 3hat(j) + 4hat(k)] and r = (-hat(i) - 3hat(j) + 7 hat(k)) + mu(hat(i) + 2hat(j) - hat(k)) is

Answer»

`3HAT(i) + 5hat(J) + 3hat(K)`
`5hat(i) + 8hat(j) + 7hat(k)`
`-HAT(i) - hat(j) - 5hat(k)`
`- 3hat(i) - 4hat(j) - 9hat(k)`

ANSWER :A


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