1.

d/dx{Tan ^(-1) (( sqrt ( 1 + x ^(2)) - sqrt (1 - x ^(2)))/( sqrt (1 + x ^(2)) + sqrt (1 - x ^(2))))} =

Answer»

`(X^2)/(SQRT(1 - x^4))`
`(x^2)/(sqrt(1 + x^4))`
`(x)/(sqrt(1 + x^4))`
`(x)/(sqrt(1 - x^4))`

ANSWER :D


Discussion

No Comment Found