1.

(i) Slove:tan ^(-1) (x+1)+ tan ^(-1) (x-1)= tan ^(-1). (8)/(31) (ii) Slove :tan^(-1).(1)/(a-1) = tan^(-1).(1)/(x) + tan^(-1).(1)/(a^(2) - x+1)

Answer»


Answer :(i) `(1)/(4),8` (ii) `X = a,a^(2) - 1`


Discussion

No Comment Found

Related InterviewSolutions