" Find the least positive integer "n," satisfying "((1+i)/(1-i))^(n)=1.

Find the least positive integer n such that ((1 + i)/(1 - i))^(n) = 1 .

Find the least positive integer n such that ((1+i)/(1-i))^(n)=1 .

Find the least positive integer 'n' such that ((1+i)/(1-i))^(n) =1 .

Find the smallest positive integer n, for which ((1+i)/(1-i))^(n)=1

Find the least positive integer n foe which ((1+i)/(1-i))^(n)=1 .

Find the least positive integer n for which ((1+i)/(1-i))^n = 1

Find the least positive integer m such that ((1+i)/(1-i))^(4m)=1 .

Find the least positive integer n for which ((1+i)/(1-i))^n

Find the least positive integer n,if ((1+i)/(1-i))^n=1 .

Find the least positive integral value of n so that ((1+i)/(1-i))^(n)=1 [Hint : Note that ((1+i)/(1-i))and i^(4)=1]