2008 Sichuan Question 2 Single-choice Differentiating 2008_省自主命题(四川) 2.(5分)(2008•四川)复数2i(1+i)<sup>2</sup>=( ) A. ﹣4B. 4C. ﹣4iD. 4i Answer keyA ☆ SaveCan't do it, show the explanation查看原卷 →