.com-discuss-forum?question_id=204052-BD-Merit-Freelancing,-BCS,-Bank,-Primary,-Admission,-NTRCA

Discuss Forum

1. $y = \tan^{- 1} \frac{1 + x}{1 - x}$

A. $\frac{1}{1 + x^{2}}$
B. $\frac{1}{1 + x^{2}}$
C. $\frac{1}{1 + x^{2}}$
D. $\frac{1}{1 + x^{2}}$

Answer: Option A

Explanation:

Post your comments here:

Name:

Mobile:

Email:(Optional)

» Your comments will be displayed only after manual approval.