If $x, y, z$ are positive numbers in A.P. and $\tan^{-1}x, \tan^{-1}y$ and $\tan^{-1}z$ are also in A.P., then which of the following is correct. (1) $6x = 3y = 2z$ (2) $6x = 4y = 3z$ (3) $x = y = z$ (4) $2x = 3y = 6z$
If $x, y, z$ are positive numbers in A.P. and $\tan^{-1}x, \tan^{-1}y$ and $\tan^{-1}z$ are also in A.P., then which of the following is correct.\\
(1) $6x = 3y = 2z$\\
(2) $6x = 4y = 3z$\\
(3) $x = y = z$\\
(4) $2x = 3y = 6z$