Class 12 | Plane | Equation of plane passing through origin and intersect r.a=landa and r.b=meu is

 

Parallel to line x-2/2=y+2/3=z-6/-6 from point (1,0,-3) to plane x-y-z=9 distance will be

 

Class 12 | 3D | The lines (x -2)/1 = (y - 3)/1 = (z - 4)/-k and (x - 1)/k = (y -4)/2 = (z - 5)/ 1 are coplanar if

 

Class 12 | 3D | The value of m for which straight line 3x−2y+z+3=0=4x−3y+4z+1 is parallel to the plane 2x−y+mz−2=0 is

 

Class 12 | 3D Geometry | The planes bx−ay=n, cy−bz=l, az−cx=m intersect in a line if

 

Class 12 | 3D Geometry | If l 1 , m 1 , n 1 , l 2 , m 2 , n 2 a n d l 3 , m 3 , n 3 are the direction cosines of three mutually perpendicular lines,then prove that the line whose direction cosines are proportional to l 1 + l 2 + l 3 , m 1 + m 2 + m 3 a n d n 1 + n 2 + n 3 makes equal angles with them.

 

Class 12 | 3D | Direction cosine of two lines are satisfy those two equation al+bm+cn= 0 and pl^2+qm^2+rn^2 =0 find angle between two line