16 January 2025

• curprev 16:3216:32, 16 January 2025 Janux talk contribs 4,117 bytes +104 →Solution 3

25 September 2024

• curprev 19:2419:24, 25 September 2024 Franklin2013 talk contribs 4,013 bytes +51 →Solution 3
• curprev 19:2419:24, 25 September 2024 Franklin2013 talk contribs 3,962 bytes −51 →Video Solution

24 August 2024

• curprev 18:5018:50, 24 August 2024 Bobwang001 talk contribs 4,013 bytes +49 Ph.D degree, IMO coach，https://www.youtube.com/@math000

7 April 2024

• curprev 11:2611:26, 7 April 2024 Mr bedrockman talk contribs 3,964 bytes +16 →Solution 3
• curprev 11:1711:17, 7 April 2024 Mr bedrockman talk contribs 3,948 bytes +1,142 →Video Solution

10 August 2023

• curprev 10:4110:41, 10 August 2023 Kevinchen yay talk contribs m 2,806 bytes −1 →Video Solutions
• curprev 10:3910:39, 10 August 2023 Kevinchen yay talk contribs m 2,807 bytes −1 →Solution 2 (Sort of Root Jumping)
• curprev 10:3910:39, 10 August 2023 Kevinchen yay talk contribs 2,808 bytes +78 →Solution 2 (Sort of Root Jumping)

26 December 2022

• curprev 14:0814:08, 26 December 2022 Countmath1 talk contribs 2,730 bytes 0 →Solution 2 (Sort of Root Jumping)

24 December 2022

• curprev 23:0823:08, 24 December 2022 Countmath1 talk contribs 2,730 bytes +3 →Solution 2 (Sort of Root Jumping)
• curprev 23:0623:06, 24 December 2022 Countmath1 talk contribs 2,727 bytes +13 →Solution 2 (Sort of Root Jumping)
• curprev 23:0623:06, 24 December 2022 Countmath1 talk contribs 2,714 bytes +1,447 →Solution

25 October 2007

• curprev 19:5619:56, 25 October 2007 Temperal talk contribs 1,267 bytes −8 template

29 September 2007

• curprev 17:5817:58, 29 September 2007 Me@home talk contribs 1,275 bytes +1,275 New page: Let <math>a</math> and <math>b</math> be positive integers such that <math>ab + 1</math> divides <math>a^{2} + b^{2}</math>. Show that <math> \frac {a^{2} + b^{2}}{ab + 1} </math> is the s...