Write the least positive integral value of `n` for which `((1+i)/(1-i))^n` is real.

The least positive integral value of n for which ((1+i)/(1-i))^n=1 is

The least positive integral value of n for which ((1-i)/(1+i))^(2n) = 1 is

Write the least positive intergal value of n when ((1+i)/(1-i))^(2n) =1 .

Show that the least positive integral value of n for which ((1+i)/(1 -i))^(n) = 1 is 4.

Select and write the correct answer from the given alternatives in each of the following: The smallest positive integral value of n for which ((1 - i) / (1 + i))^n is purely imaginary with positive imaginary part is

Find the least positive integral value of n, for which ((1-i)/(1+i))^n , where i=sqrt(-1), is purely imaginary with positive imaginary part.

Find the least positive integral value of n, for which ((1-i)/(1+i))^n , where i=sqrt(-1), is purely imaginary with positive imaginary part.

Find the least positive integral value of n, for which ((1-i)/(1+i))^n , where i=sqrt(-1), is purly imaginary with positive imaginary part.

Find the least positive integral value of n, for which ((1-i)/(1+i))^n , where i=sqrt(-1), is purely imaginary with positive imaginary part.

Find the least possible integral value of n so that ((1+i)/(1-i))^n' is real