Question

Modulus simplify if (1+I)^2+(1-I)^2 ?

Answer 1

`0`.

Explanation:

`(1+i)^2+(1-i)^2`,

`=(1+2i+i^2)+(1-2i+i^2)`,

`=2(1+i^2)`,

`=2{1+(-1)}`,

`=0`.