复数i(1+i)(i为虚数单位)的虚部等于_.
问题描述:
复数i(1+i)(i为虚数单位)的虚部等于______.
答
∵i(1+i)=-1+i,
∴虚部等于 1.
故答案为:1.
复数i(1+i)(i为虚数单位)的虚部等于______.
∵i(1+i)=-1+i,
∴虚部等于 1.
故答案为:1.