All the points on the x- axis have [MP PET 1988]
x=0
y=0
x=0,y=0
y=0,z=0
We know that all the points on X- axis have their Y and Z co-ordinates as zero.
Distance between the points (1, 3, 2) and (2, 1, 3) is [MP PET 1988]
Gold number is [MP PET/PMT 1988]
An electrolyte
[KCET 1984; MP PET/PMT 1988]