2016 Sichuan Question 1 Single-choice Differentiating 2016_省自主命题(四川) 1.设i为虚数单位,则复数 $\left( 1 + i \right) ^ { 2 } =$ A. 0B. 2C. 2 iD. $2 + 2 i$ Answer keyC ☆ SaveCan't do it, show the explanation查看原卷 →