Question

10. If xr be real, prove that i log
1+ix
1-ig
-2 tan-1.
that​

Answer 1

Step-by-step explanation:

1+x = 1¹/x =2²

2x2 = 4² ×2 44. 1

-2 tan -1 = 1¹ x 2² = 44 = 105 ²

15.44²×¹ = 608.4²