Find the image of the point having position vector `hati + 3hatj + 4hatk` in the planer. `vecr.(2hati – hatj+ hatk) + 3 = 0`

Explanation

Let `C(a,b,c)` be the required image
of the point A in the given plane.


Let B be a point on the plane and also lying in the line joining AC.


Therefore knowing one point
The Cartesian equation is given by:

`(x−1)/2​=−(y−3)/​1=(z−4)/1​=u`


Any point on the line is given by:
`x=2u+1;y=−u+3;z=u+4`

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