Find the least positive value of n if `((1+i)/(1-i))^n=1.`

Find the least positive value of n it ((1+i)/(1-i))^(n)=1

The least positive value of n if ((1 + i)/(1 - i))^(n) = 1 , is (a)1 (b)5 (c)4 (d)6

Find the least positive value of nquad if quad ((1+i)/(1-i))^(n)=1

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

Find the least positive integer n such that ((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]