作业帮设z=|1-2✔2i|-(2+3i),则|z|?
来源：学生作业帮助网 编辑：作业帮 时间：2024/07/17 13:01:08
x){n_mQfqӎ5U56IED/!DG
@FaXH3("am aZ)c*KAWHA86 U50@㌠
l @ (0P
设z=|1-2✔2i|-(2+3i),则|z|?
设z=|1-2✔2i|-(2+3i),则|z|?
设z=|1-2✔2i|-(2+3i),则|z|?
|1-2√2i| = √[1^2+(2√2)^2] = √(1+8) = √9 = 3
z = 3 - 2 -3i = 1 - 3i
|z| = √(1^2+3^2) = √10