решите уравнения:
1) I х + 2 I = 0
2) I х - 5 I = 0
3) I 2 х - 3 I = 0
4) I 5 х - 8 I = 0
1) I х + 2 I = 0
2) I х - 5 I = 0
3) I 2 х - 3 I = 0
4) I 5 х - 8 I = 0
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х+2=0 2х-3=0
х=-2 2х=3
2.|х-5|=0 х=3/2
х-5=0 х=1,5
х=5
4.| 5х-8|=0
5х-8=0
5х=8
х=8/5
Ответ:1)-2; 2)5; 3)1,5; 4)8/5.