Question

Show that (1+i)^2 = 2i PLEASE HELP WILL GIVE BRAINLIEST ANSWER!!! Thanks

Answer 1

Answer:

please check explanations

Step-by-step explanation:

As we all know, i is same as root of -1

let us expand what we have;

(1 + i)^2

= 1(1 + i) + i(1 + i)

= 1 + i + i + i^2

as i is square root of -1, the square of the square root of -1 is -1

Thus, we have

1 + 2i - 1

= 2i