Biết 1 + (1-i) +

Câu hỏi: Biết 1 + (1-i) + ${\left(1-i\right)}^2 +\hspace{0.17em}...+{\left(1-i\right)}^{10} = a +\hspace{0.17em}bi(a,b\in \mathrm{ℝ})$ Tìm a,b.

A. $\left\{\begin{array}{l}a=32\\ b=-32\end{array}\right.$

B. $\left\{\begin{array}{l}a=-32\\ b=32\end{array}\right.$

C. $\left\{\begin{array}{l}a=33\\ b=-32\end{array}\right.$

D. $\left\{\begin{array}{l}a=32\\ b=-33\end{array}\right.$