RT、 扫码下载作业帮搜索答疑一搜即得 答案解析 查看更多优质解析 解答一 举报 1/z=(z1+z2)/(z1z2)z=(5+10i)(3-4i)/(5+10i+3-4i)=(15+40-20i+30i)/(8+6i)=(55-10i)(8-6i)/(8+6i)(8-6i)=5(88-66i-16i-12)/(64+36)=(76-82i)/20=(38-41i)/10 解析看不懂?免费...
RT、 扫码下载作业帮搜索答疑一搜即得 答案解析 查看更多优质解析 解答一 举报 1/z=(z1+z2)/(z1z2)z=(5+10i)(3-4i)/(5+10i+3-4i)=(15+40-20i+30i)/(8+6i)=(55-10i)(8-6i)/(8+6i)(8-6i)=5(88-66i-16i-12)/(64+36)=(76-82i)/20=(38-41i)/10 解析看不懂?免费...