Question

f(x)=x4-2x find f(2i)
how do i solve this

Answer 1

f(x) = x^4 - 2x


f(2i) = (2i)^4 - 2(2i)


f(2i) = 2^4*i^4 - 2(2i)


f(2i) = 16(1) - 2(2i)


f(2i) = 16 - 4i

Answer 2

thank you

Answer 3

np

Answer 4

8/1-2i