The least positive integer n for which ( 1+i 1-i )^n= 2 ^ -1 ( 1+x^2 2x ), where x>0, is

JEE Main Mathematics question

The least positive integer for which , where , is

Answer: (B)

, and for , with equality only at ; the inverse sine exists only when the argument is , so it equals

Create a free account to read the complete working, and practise questions like this in a timed test.

Question ID VK-013939