Answer:
- 8
Step-by-step explanation:
[tex]\left(1+i\right)^4+\left(1-i\right)^4[/tex]
[tex]\left(1+i\right)^4 = -4[/tex]
[tex]\left(1-i\right)^4 = -4[/tex]
[tex]=-4-4[/tex]
[tex]=-8[/tex]
