复数2-3i/2-i等于多少?
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/08 15:33:42
![复数2-3i/2-i等于多少?](/uploads/image/z/13285418-50-8.jpg?t=%E5%A4%8D%E6%95%B02-3i%2F2-i%E7%AD%89%E4%BA%8E%E5%A4%9A%E5%B0%91%3F)
x){
FƙFv>tɬ&$/!OjThjigjP&XQY1PD&lkTmj_\gxs=ƙwz D( AXh$R@s dd' Z
复数2-3i/2-i等于多少?
复数2-3i/2-i等于多少?
复数2-3i/2-i等于多少?
原式=(2-3i)(2+i)/(2-i)(2+i)
=(4+2i-6i+3)/(4+1)
=(7-4i)/5
﹙2-3i﹚/﹙2-i﹚
=[﹙2-3i﹚﹙2+i﹚]/[﹙2-i﹚﹙2+i﹚]
=﹙7-4i﹚/5