Question

please tell me answer fast​

Answer 1

Answer:

-3-6i or 6i-3

Step-by-step explanation:

x^6 +x^4 +x^2 +1

x=1+i

=(1+i) ^6 +(1+i) ^4 +(1+i) ^2 +1

=(1+6i−15−20i+15+6i−1)+(1+i) ^4 +(1+i) ^2

+1  

[Using binomial expansion]

=−8i+(1+i) ^4 +(1+i) ^2 +1

=−8i+(1+4i−6−4i+1)+(1+i) ^2 +1

=−8i−4+(1+i) ^2 +1

=−8i−4+(1 ^2 +2×1i+i ^2 )+1

=−8i−4+2i+1

=−3−6i or 6i-3

Hope that helps. Please choose my answer as the brainliest!