1.

(d)/(d x ) { log (sqrt(1 +x )+ sqrt( 1 -x ))/(sqrt(1 + x ) - sqrt(1-x ))}=

Answer»

`(1)/(X sqrt( 1 -x^(2)))`
`(-1)/(sqrt( 1 -x^(2)))`
`(-1)/(xsqrt( 1 -x^(2)))`
NONE

Answer :D


Discussion

No Comment Found

Related InterviewSolutions