The Plane $\mid 909$ 3. Find the equation of the plane parallel to $X$-axis. 4. Find the equation of the plane parallel to $X$-axis and passes through the points $(2,2,1)$ and $(1,-2,3)$ (ii) Find the equation of the plane parallel to $X$-axis and passes through the points $(2,3,-4)$ and $(1,-1,3)$. 5. (i) Find the intercepts made by the plane $3x+4y-6z=72$ with the coordinate axes. Also find the direction cosines of the normal to the plane. (ii) Find the direction cosines of the normal to the plane $2x-3y+6z+14=0$ (iii) Find the direction cosines and direction ratios of the normal to the plane $2x+6y+8z=5$. (ii) Find the intercepts made on the coordinate axes by the plane $3x+4y-7z=84$. Also, find the direction cosines of the normal to the plane and the length of perpendicular drawn from origin to the plane. (v) Find the direction cosines of the normal to the plane $2x+4y+4z=9$ (vi) Keduce the equation of the plane $2x+3y$ $+6z=15$ into normal form. Also, find the direction cosines of the normal to the plane and the distance of the plane from the origin. (vii) Reduce the equation of the plane $12x+9y+8z=34$ into normal form.