If `log_x(z)=4, log_(10y)(z)=2` and `log(xy)(z)=4/7` , then`z^(-2)` is equal to :-

Let x,y,z be positive real numbers such that log_(2x)z=3, log_(5y)z=6 and log_(xy)z=2/3 then the value of z is

If log_(2a)a=X,log_(3a)2a=y, and log_(4a)3a= z,then xyz-2yz is equal to

Let x,y,z be positive real numbers such that log_(2x)z=3,log_(5y)z=6 and log_(xy)z=(2)/(3) then the value of z is

The x,y,z are positive real numbers such that log_(2x)z=3,log_(5y)z=6, and log_(xy)z=(2)/(3), then the value of ((1)/(2z)) is .........

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

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

log a/(y-z)=log b/(z-x)=logc/(x-y), then a^xb^yc^z is equal to

The x , y , z are positive real numbers such that (log)_(2x)z=3,(log)_(5y)z=6,a n d(log)_(x y)z=2/3, then the value of (1/(2z)) is ............

The x , y , z are positive real numbers such that (log)_(2x)z=3,(log)_(5y)z=6,a n d(log)_(x y)z=2/3, then the value of (1/(2z)) is ............