ysr
发表于 2024-3-3 17:37
蔡家雄 发表于 2024-3-3 08:21
求:y^2=2*x^2+4 ,
求:y^2=2*x^2+4
y=2, x=0
y=6, x=4
y=34, x=24
y=198, x=140
y=1154, x=816
y=6726, x=4756
…………
蔡家雄
发表于 2024-3-3 17:48
求:y^2=2*x^2+9 ,
Treenewbee
发表于 2024-3-3 21:58
求:(a^2+ab+b^2)/(a*b+1),有解吗?
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部分解:{{2,6},{3,24},{4,60},{5,120},{6,16},{6,210},{7,336},{8,504},{9,720},{10,990},{16,42},{24,189},{42,110},{60,896},{110,288},{288,754}}
Treenewbee
发表于 2024-3-3 22:02
蔡家雄 发表于 2024-3-3 16:20
求:(a^2+b^2)/(a*b+49) 的通解公式,
部分解: {{1,132},{3,36},{3,664},{4,456},{6,314},{8,414},{12,99},{14,42},{21,168},{28,420},{35,840},{36,285},{42,112},{99,780},{112,294},{294,770}}
wlc1
发表于 2024-3-4 06:58
求:(a^2+2ab+b^2)/(a*b+2),有解吗?
cz1
发表于 2024-3-4 07:02
求:(a^2+3ab+b^2)/(a*b+3),有解吗?
Treenewbee
发表于 2024-3-4 08:20
wlc1 发表于 2024-3-4 06:58
求:(a^2+2ab+b^2)/(a*b+2),有解吗?
部分解:{{4,24},{6,96},{8,240},{10,480},{12,840},{24,140},{140,816}}
Treenewbee
发表于 2024-3-4 08:21
求:(a^2+3ab+b^2)/(a*b+3),有解吗?
----------------------
部分解:
{{2,4},{6,54},{9,216},{12,540},{15,1080},{18,1890},{54,480}}
Treenewbee
发表于 2024-3-4 08:59
蔡家雄 发表于 2024-3-3 17:48
求:y^2=2*x^2+9 ,
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蔡家雄
发表于 2024-3-4 12:20
求:(a^2+4ab+b^2)/(a*b+4),有解吗?
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