7 November 2025

• curprev 19:3219:32, 7 November 2025 Indiiiigo talk contribs m 7,063 bytes +24 →Solution 1 (Dot Product): changing credit to my name

1 November 2024

• curprev 23:0923:09, 1 November 2024 Technodoggo talk contribs 7,039 bytes +21 →Solution 3
• curprev 23:0823:08, 1 November 2024 Technodoggo talk contribs m 7,018 bytes +1 →Solution 3: when typo :(
• curprev 23:0723:07, 1 November 2024 Technodoggo talk contribs 7,017 bytes +281 →Solution 3

27 October 2023

• curprev 21:2321:23, 27 October 2023 R00tsofunity talk contribs 6,736 bytes +82 No edit summary

9 July 2023

• curprev 22:4622:46, 9 July 2023 Thestudyofeverything talk contribs 6,654 bytes +109 →Solution 6 (Complex Numbers)

23 June 2023

• curprev 18:2318:23, 23 June 2023 Jing.han talk contribs m 6,545 bytes 0 →Solution 3

5 April 2023

• curprev 12:3412:34, 5 April 2023 Hayabusa1 talk contribs 6,545 bytes +68 →Solution 6 (Complex Numbers)

10 March 2023

• curprev 14:1914:19, 10 March 2023 MRENTHUSIASM talk contribs 6,477 bytes 0 →Solution 6 (Complex numbers)
• curprev 14:1914:19, 10 March 2023 MRENTHUSIASM talk contribs 6,477 bytes 0 No edit summary
• curprev 14:1814:18, 10 March 2023 MRENTHUSIASM talk contribs 6,477 bytes 0 No edit summary
• curprev 12:0012:00, 10 March 2023 Mtbv talk contribs 6,477 bytes 0 →Solution 6 (Complex numbers)
• curprev 03:2503:25, 10 March 2023 MRENTHUSIASM talk contribs 6,477 bytes +786 →Solution 6 (Complex numbers): Replaced diagram with Asy. Made it consistent with the Diagram's section.
• curprev 03:1103:11, 10 March 2023 MRENTHUSIASM talk contribs 5,691 bytes +10 No edit summary
• curprev 02:3002:30, 10 March 2023 MRENTHUSIASM talk contribs 5,681 bytes −4 →Solution 5
• curprev 01:5201:52, 10 March 2023 Mtbv talk contribs 5,685 bytes +822 No edit summary

27 February 2023

• curprev 23:5223:52, 27 February 2023 MRENTHUSIASM talk contribs 4,863 bytes +1 →Solution 2
• curprev 23:5223:52, 27 February 2023 MRENTHUSIASM talk contribs 4,862 bytes +8 →Solution 2
• curprev 23:3723:37, 27 February 2023 MRENTHUSIASM talk contribs 4,854 bytes −8 →Solution 2
• curprev 23:3623:36, 27 February 2023 MRENTHUSIASM talk contribs m 4,862 bytes +16 →Solution 2

9 January 2023

• curprev 23:0123:01, 9 January 2023 MRENTHUSIASM talk contribs 4,846 bytes +36 No edit summary
• curprev 19:0719:07, 9 January 2023 MRENTHUSIASM talk contribs 4,810 bytes +565 →Solution 1 (Dot Product)
• curprev 18:4718:47, 9 January 2023 MRENTHUSIASM talk contribs 4,245 bytes +30 →Solution 5

21 December 2022

• curprev 16:3316:33, 21 December 2022 Sahanwijetunga talk contribs m 4,215 bytes −1 →Solution 5
• curprev 16:3316:33, 21 December 2022 Sahanwijetunga talk contribs 4,216 bytes +650 →Solution 4

20 November 2022

• curprev 21:0921:09, 20 November 2022 Indiiiigo talk contribs 3,566 bytes +737 Added vector/dot product solution
• curprev 12:5412:54, 20 November 2022 Mathboy100 talk contribs 2,829 bytes +5 →Solution 3

19 November 2022

• curprev 19:5919:59, 19 November 2022 Mathboy100 talk contribs 2,824 bytes +3 →Solution 3
• curprev 19:5819:58, 19 November 2022 Mathboy100 talk contribs 2,821 bytes +1 →Solution 3
• curprev 19:5819:58, 19 November 2022 Mathboy100 talk contribs 2,820 bytes +159 →Solution 3
• curprev 08:0608:06, 19 November 2022 Kavya.rajesh talk contribs 2,661 bytes +568 No edit summary

18 November 2022

• curprev 15:5715:57, 18 November 2022 Jamesl123456 talk contribs 2,093 bytes +23 →Solution 2
• curprev 15:4815:48, 18 November 2022 Jamesl123456 talk contribs 2,070 bytes −5 →Solution 2
• curprev 15:4615:46, 18 November 2022 Jamesl123456 talk contribs 2,075 bytes +9 →Solution 2
• curprev 15:4515:45, 18 November 2022 Jamesl123456 talk contribs 2,066 bytes +1 →Solution 2
• curprev 15:4515:45, 18 November 2022 Jamesl123456 talk contribs 2,065 bytes +595 No edit summary

17 November 2022

• curprev 21:1321:13, 17 November 2022 Ehuang0531 talk contribs m 1,470 bytes +23 →Solution: add link
• curprev 18:1318:13, 17 November 2022 Ehuang0531 talk contribs m 1,447 bytes +38 →Solution
• curprev 18:1018:10, 17 November 2022 Ehuang0531 talk contribs 1,409 bytes −93 →Solution: students who haven't taken PC may enjoy the second (brutal calculation) method
• curprev 18:0718:07, 17 November 2022 Ehuang0531 talk contribs 1,502 bytes +451 →Solution: I really hate the tangent addition formula, but it's admittedly the undoubtly best sol here
• curprev 17:5817:58, 17 November 2022 Ehuang0531 talk contribs 1,051 bytes +555 →Solution
• curprev 17:5117:51, 17 November 2022 Ehuang0531 talk contribs 496 bytes +496 Created page with "== Problem == The graph of <math>y=x^2+2x-15</math> intersects the <math>x</math>-axis at points <math>A</math> and <math>C</math> and the <math>y</math>-axis at point <math>..."