Find the angle between the two planes `3x 6y + 2z = 7`and `2x + 2y 2z =5`.

Find the angle between the two planes 2x + y - 2z = 5 and 3x – 6y – 2z = 7 using vector method.

Find the angle between the planes : (i) 3 x - 6y - 2z = 7 " " 2x + y - 2z = 5 (ii) 4 x + 8y + z = 8 " " and y + z = 4 (iii) 2 x - y + z =6 " " and x + y + 2z = 7 .

Find the angle between the two planes 3 x-6 y+2 z=7 and 2 x+2 y-2 z=5

Find the angle between the planes 2x - y + z = 6 and x + y + 2 z = 7 .

The angle between the two planes 3x- 4y + 5z = 0 and 2x-y - 2z = 5 is :

Find the angle between the planes 2x + y - 2z = 5 and 3x - 6y - 2z = 7 . Using vector method.

Find the angle between the planes 2x - y + 3z = 6 and x + y +2z =7 .

Find the angle between the planes 2x - y + 3z = 6 and x + y +2z =7 .

Find the angle between the planes 2x - y + 3z = 6 and x + y +2z =7 .