Question

1. Write an example of each of the following (assuming it a 3-space).
a. A point lying on the y-axis.
b. A point lying on the xy-plane.
c. A point lying on both xy- and yz plane.
d. A point lying on all three planes.


answer + how you got it plzz :3

Answer 1

a) any point on y-axis ( 0,b,0)
b) for pt lying on xy plane the z cordinate must be 0 hence the point is (a,b,0)

Answer 2

c) A point lying on both xy- and yz plane actually lies on the y-axis
hence the point is (0,b,0)
d) all the three planes meet at origin hence origin (0,0,0) only lies on all the three planes

Answer 3

thank you

Answer 4

welcome