(-2+3i)乘以(-2-3i)等于?如何计算

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/16 02:36:34

(-2+3i)乘以(-2-3i)等于?如何计算
(-2+3i)乘以(-2-3i)等于?如何计算

(-2+3i)乘以(-2-3i)等于?如何计算
(-2+3i)乘以(-2-3i)
=(-2)^2-(3i)^2
=4-9i^2
=4-9*(-1)
=4+9
=13