1.

P, Q, R and S are four points with the position vectors 3bar(i)-4bar(j)+5bar(k), 4bar(k), -4bar(i)+5bar(j)+bar(k) and -3bar(i)+4bar(j)+3bar(k) respectively. Then the line PQ meets the line RS at the point.

Answer»

`3bar(i)+4bar(J)+3bar(k)`
`-3bar(i)+4bar(j)+3bar(k)`
`-BAR(i)+4bar(j)+bar(k)`
`bar(i)+bar(j)+bar(k)`

ANSWER :B


Discussion

No Comment Found