15/10/24 12:30:24.30 WEmx8tV4.net
>>741
2/|x|^2-1/|x-0.15|^2=0
|◯|^2=◯^2なので
2/x^2-1/(x-0.15)^2=0
x^2=2(x-0.15)^2
x^2-0.6x+0.045=0
x=0.087868,0.512132
>>743
＞x<0
＞-x/(sqrt(2))=-x-.15
＞x=-.512
-x/(sqrt(2))=-x+.15
x=0.512
x＜0より不適
15/10/24 12:30:24.30 WEmx8tV4.net
>>741
2/|x|^2-1/|x-0.15|^2=0
|◯|^2=◯^2なので
2/x^2-1/(x-0.15)^2=0
x^2=2(x-0.15)^2
x^2-0.6x+0.045=0
x=0.087868,0.512132
>>743
＞x<0
＞-x/(sqrt(2))=-x-.15
＞x=-.512
-x/(sqrt(2))=-x+.15
x=0.512
x＜0より不適