Question

Find the equation of the plane with intercept 3 on the y-axis and parallel to xz – plane.

Answer 1

When of plane is parallel to xz – plane

Then `y/b = 1`   ...`[∵ x/a + y/b + z/c = 1]`

y = b

or y = 3   ...[Given b = 3]

Required equation of plane is y = 3.