4+3i分之2-i等于多少

来源:学生作业帮助网 编辑:六六作业网 时间:2024/05/15 01:31:46
4+3i分之2-i等于多少4+3i分之2-i等于多少4+3i分之2-i等于多少分子分母同时乘以4-3i,结果为5分之1-2i[(2-i)(4-3i)]/[(4+3i)(4-3i)]=(8-4i-6i-

4+3i分之2-i等于多少
4+3i分之2-i等于多少

4+3i分之2-i等于多少
分子分母同时乘以4-3i,结果为5分之1-2i
[(2-i)(4-3i)] / [(4+3i)(4-3i)]
=(8-4i-6i-3)/(16+9)
=(5-10i)/25
=(1-2i) /5

(2-i)/(4+3i)
=[(2-i)(4-3i)] / [(4+3i)(4-3i)]
=(8-4i-6i-3)/(4+3)
=(5-10i)/7