|x-i|

来源：学生作业帮助网编辑：六六作业网时间：2024/05/29 03:20:25

|x-i||x-i||x-i||x-i|x^2+1^2x^2-1|x-i|√x^2+1x^2+1x^2-1

|x-i|
|x-i|

x^2+1^2<2
x^2<1
-1

|x-i|<√2<==>√x^2+1<√2
<==>x^2+1<2
<==>x^2<1
<==>-1

|X+i| |x-i| N={x| |x/i| |X/i^2| 请问“|x+i|A |x-1/i| if(i!='x' X=[X;fliplr(x(i:2*N+i))] while((x/i)>10)i*=10 i为虚数单位,|x+i| {int x,i;for(i=1;i main(){int x,i;for(i=1;i I 2X--4 I=6 ( I 绝对值符号) I X--2 I--4=0 ( I 绝对值符号) I-xI=I-3I,则x= 为什么(2-3i)x(1+i)=5-i x²-(4-i)x+5-5i=0 x²-(4-i)x+5-5i=0