A point `(x,y,z)` moves parallel to xy-plane. Which of the three variables `x,y,z` remains fixed? (A) x (B) y (C) z (D) xand y

A point (x,y,z) moves parallel to x axis. Which of the three variables x,y,z remains fixed? (A) x and y (B) y and z (C) z and x (D) none of these

The distance of the point (x,y,z) from xy-plne is (A) x (B) |y| (C) z (D) |z|

If the points A(x,y+z),B(y,z+x) and "C(z,x+y)" are such that AB=BC ,then x,y,z are in A .P

If x,y,z are in GP and a^(x)=b^(y)=c^(z) then

If x,y,z are in G.P and a^(x)=b^(y)=c^(z), then

If x,y,z are in G.P.and a^(x)=b^(y)=c^(z), then

For every point P(x ,\ y ,\ z) on the xy-plane, a. x=0 b. y=0 c. z=0 d. x=y=z=0