Question

if (1+i/1-i)^x =1 then value of x is​

Answer 1

Answer:

[(1 + i)/(1 - i)]x = 1

[(1 + i)(1 + i)/(1 - i)(1 + i)]x = 1

[(1 + i2 + 2i)/(1 - i2)]x = 1

i2 = -1

(2i/2)x = 1

ix = 1

Answer 2

Step-by-step explanation:

i^2 = -1 & i^4 = 1

use this concept