1.

Consider a plane x + y - z= 1 and point A (1,2,-3). A line L has the equation x =1 + 3r ,y =2- r and z =3 + 4r The coordinate of a point B of line L such that AB is parallel to the plane is

Answer»

`(10, -1,15)`
`(-5,4,-5)`
`(4,1,7)`
`(-8,5,-9)`

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