1.

If x,y,z are in A.P. and tan^(-1)x, tan^(-1)y and tan^(-1)z are also in A.P. then

Answer»

`x=y=z`
`2x=3y=6z`
`6x=3y=2z`
`6x=4y=3z`

ANSWER :A


Discussion

No Comment Found