Question

According to the fundamental theorem of algebra, how many roots does the polynomial f(x) =

x^4+3x^2 +7 have, over
the complex numbers, and counting roots with multiplicity greater than one as distinct (i.e. f(x) = x^2 has two roots, both
are zero).
4
2
O
3​

Answer 1

Answer:

4 is the correct answer if we include complex roots also