If `x^(18)=y^(21)=z^(28)`, then 3,3 `log_(y)x,3log_(z)y,7log_(x)z` are in

If x^(18)= y^(21) = z^(28) , then 3, 3log_(y)x, 3log_(z)y, 7 log_(x)z are in :

If x^(18)=y^(21)=z^(28) then 3, 3log_y x, 3log_z y, 7log_x z are in

If x,y, and z are positive real numbers different from 1 and x^18=y^21=z^28 show that 3,3 log_y x, 3log_zy, 7log_xz are in A.P.

If "log"_(y) x = "log"_(z)y = "log"_(x)z , then

If "log"_(y) x = "log"_(z)y = "log"_(x)z , then

if x^(2) + y^(2) = z^(2) then prove that log_(y)(z+x) + log_(y) (z-x)=2

if x^(2) + y^(2) =z^(2) , "then" 1/(log_(z+x)y) + 1/(log_(z-x)y) = _______

The numbers 1/3, 1/3 log _(x) y, 1/3 log _(y) z, 1/7 log _(x) x are in H.P. If y= x ^® and z =x ^(s ), then 4 (r +s)=

The numbers 1/3, 1/3 log _(x) y, 1/3 log _(y) z, 1/7 log _(x) x are in H.P. If y= x ^® and z =x ^(s ), then 4 (r +s)=