Question

if z=1+i evaluate z^3-2z^2+3z-4​

Answer 1

${1}^{3} - 2 ({1}^{2} ) + 3 \times 1 - 4$

$1 - 2 + 3 - 4$

$(- 1 )+ ( - 1)$

$- 2$

I hope it will help u