1.

Let L be the line parallel to the vectors sqrt(2) hati - 5 hatj + 3 hatkand passing through the point a given by hati + 2 hatj - 3 hatk . If the distance between A and a point P on the line L is 18 units , then the position vector of such a point P is

Answer»

`(1- 3 SQRT2) hati + 17 HATJ- 12 hatk`
`(1+ 3 sqrt2)hati + 17 hatj + 12 hatk`
`(1+3sqrt2) hati - 17 hatj - 12 hatk`
`(1- 3 sqrt2) hati - 17 hatj + 12 hatk `

Answer :A


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