Question

Find the value of x3-x2+x+46 if x =2+i3

Answer 1

Explanation:

=2^3+3¡^3+3(2)(3¡)(2+3¡)+2^2+3¡^2+2(2)(3¡)+2+3¡+46

=8-27¡+36¡-36+4-9+12¡+2+3¡+46

=15+39¡