If `xge0 and tan^(-1)((1-x)/(1+x))=(1)/(2)tan^(-1)x,` then x=A. `3`B. – InterviewSolution

InterviewSolution

1.	If `xge0 and tan^(-1)((1-x)/(1+x))=(1)/(2)tan^(-1)x,` then x=A. `3`B. `2`C. `(1)/(sqrt(3))`D. `(1)/(sqrt(2))`
Answer» Correct Answer - C

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