1.

Let `tan^(-1)y=tan^(-1)x+tan^(-1)((2x)/(1-x^2))`, where `|x|

Answer» We have
`tan^(-1)y=tan^(-1)x+tan^(-1)(2x)/(1-x^(2))` ltMbrgt `rarr tan^(-1)y=tan^(-1)x+2 tan^(-1)x=3 tan^(-1)x=tan^(-1)(3x-x^(3))/(1-3x^(22))`
`rarr y=(3x-x^(3))/(1-3x^(2))`


Discussion

No Comment Found