User contributions
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- 11:07, 22 August 2025 (diff | hist) . . (+7) . . 2023 AMC 12B Problems/Problem 2 (→Solution 1) (current)
- 11:07, 22 August 2025 (diff | hist) . . (+3) . . 2023 AMC 12B Problems/Problem 2 (→Solution 1)
- 11:06, 22 August 2025 (diff | hist) . . (0) . . 2023 AMC 12B Problems/Problem 2 (→Solution 5 (Intuition and Guessing))
- 11:06, 22 August 2025 (diff | hist) . . (0) . . 2023 AMC 12B Problems/Problem 2 (→Solution 4)
- 11:06, 22 August 2025 (diff | hist) . . (0) . . 2023 AMC 12B Problems/Problem 2 (→Solution 3)
- 11:06, 22 August 2025 (diff | hist) . . (0) . . 2023 AMC 12B Problems/Problem 2 (→Solution 2 (One-Step Equation))
- 11:06, 22 August 2025 (diff | hist) . . (+680) . . 2023 AMC 12B Problems/Problem 2 (→Solution 1 (easy))
- 01:02, 21 August 2025 (diff | hist) . . (-11) . . 2013 AMC 10A Problems/Problem 17 (→Understanding the Problem, and why it is 54) (current)
- 01:02, 21 August 2025 (diff | hist) . . (+1,698) . . 2013 AMC 10A Problems/Problem 17 (→Solution 2)
- 20:39, 20 August 2025 (diff | hist) . . (+219) . . 2013 AMC 10A Problems/Problem 12 (→Solution 4) (current)
- 20:38, 20 August 2025 (diff | hist) . . (+664) . . 2013 AMC 10A Problems/Problem 12 (→Solution 2)
- 20:37, 20 August 2025 (diff | hist) . . (-1,003) . . 2013 AMC 10A Problems/Problem 12 (→Solution 5 (Ratio and Logic))
- 20:35, 20 August 2025 (diff | hist) . . (0) . . 2013 AMC 10A Problems/Problem 12 (→Solution 5 (Ratio and Logic))
- 20:35, 20 August 2025 (diff | hist) . . (+2) . . 2013 AMC 10A Problems/Problem 12 (→Solution 5 (Ratio and Logic))
- 20:34, 20 August 2025 (diff | hist) . . (+4) . . 2013 AMC 10A Problems/Problem 12 (→Solution 5 (Ratio and Logic))
- 20:34, 20 August 2025 (diff | hist) . . (+15) . . 2013 AMC 10A Problems/Problem 12 (→Solution 5 (Ratio and Logic))
- 20:33, 20 August 2025 (diff | hist) . . (+983) . . 2013 AMC 10A Problems/Problem 12 (→Solution 4)
- 17:00, 19 August 2025 (diff | hist) . . (+13) . . m 2025 AIME I Problems/Problem 2 (→Solution 4 (Vectors)) (current)
- 16:59, 19 August 2025 (diff | hist) . . (+3,349) . . 2025 AIME I Problems/Problem 2 (→Solution 3)
- 20:34, 18 August 2025 (diff | hist) . . (+393) . . 2025 AIME I Problems/Problem 1 (→Solution 4)
- 19:59, 18 August 2025 (diff | hist) . . (-50) . . 2012 AIME II Problems/Problem 2 (→Video Solution) (current)
- 19:57, 18 August 2025 (diff | hist) . . (0) . . 2012 AIME II Problems/Problem 2
- 19:57, 18 August 2025 (diff | hist) . . (+365) . . 2012 AIME II Problems/Problem 2
- 18:25, 18 August 2025 (diff | hist) . . (+19) . . 2018 Putnam B Problems/Problem 1 (→See Also) (current)
- 18:24, 18 August 2025 (diff | hist) . . (+24) . . 2018 Putnam B Problems/Problem 2 (→See Also) (current)
- 18:24, 18 August 2025 (diff | hist) . . (+24) . . 2018 Putnam B Problems/Problem 3 (→See Also) (current)
- 18:23, 18 August 2025 (diff | hist) . . (+24) . . 2018 Putnam B Problems/Problem 4 (→See Also) (current)
- 18:23, 18 August 2025 (diff | hist) . . (+24) . . 2018 Putnam B Problems/Problem 5 (→See Also) (current)
- 18:22, 18 August 2025 (diff | hist) . . (+14) . . 2018 Putnam B Problems/Problem 6 (→See Also) (current)
- 18:22, 18 August 2025 (diff | hist) . . (+126) . . 2018 Putnam B Problems/Problem 1 (→Solution)
- 18:21, 18 August 2025 (diff | hist) . . (+168) . . 2018 Putnam B Problems/Problem 2 (→Solution 2 (Fast))
- 18:20, 18 August 2025 (diff | hist) . . (+168) . . 2018 Putnam B Problems/Problem 3 (→Solution)
- 18:19, 18 August 2025 (diff | hist) . . (+1) . . 2018 Putnam B Problems/Problem 4 (→See Also)
- 18:19, 18 August 2025 (diff | hist) . . (+167) . . 2018 Putnam B Problems/Problem 4 (→Solution)
- 18:18, 18 August 2025 (diff | hist) . . (+4,337) . . N 2018 Putnam B Problems/Problem 6 (Created page with "==Problem== Let <math>S</math> be the set of sequences of length 2018 whose terms are in the set <math>\{1, 2, 3, 4, 5, 6, 10\}</math> and sum to 3860. Prove that the cardina...")
- 18:07, 18 August 2025 (diff | hist) . . (+168) . . 2018 Putnam B Problems/Problem 5
- 18:01, 18 August 2025 (diff | hist) . . (+5,315) . . N 2018 Putnam B Problems/Problem 5 (Created page with "==Problem== Let <math>f = (f_1, f_2)</math> be a function from <math>\mathbb{R}^2</math> to <math>\mathbb{R}^2</math> with continuous partial derivatives <math>\tfrac{\partial...")
- 17:22, 18 August 2025 (diff | hist) . . (+1,451) . . 2018 Putnam B Problems/Problem 3 (.)
- 17:11, 18 August 2025 (diff | hist) . . (+7) . . 2018 Putnam B Problems/Problem 2
- 17:10, 18 August 2025 (diff | hist) . . (+1,642) . . 2018 Putnam B Problems/Problem 2 (→Solution)
- 17:06, 18 August 2025 (diff | hist) . . (+1,675) . . 2018 Putnam B Problems/Problem 2 (→Solution)
- 16:56, 18 August 2025 (diff | hist) . . (+43) . . 2018 Putnam B Problems/Problem 2
- 00:00, 18 August 2025 (diff | hist) . . (+1,670) . . 2006 iTest Problems/Problem 34 (→Solution) (current)
- 20:57, 17 August 2025 (diff | hist) . . (-7) . . 2018 Putnam B Problems/Problem 4 (→Solution)
- 20:51, 17 August 2025 (diff | hist) . . (+1,374) . . 2018 Putnam B Problems/Problem 4 (→Solution)
- 18:49, 17 August 2025 (diff | hist) . . (+302) . . N 2018 Putnam B Problems/Problem 4 (Created page with "==Problem== Given a real number <math>a</math>, we define a sequence by <math>x_0 = 1</math>, <math>x_1 = x_2 = a</math>, and <math>x_{n+1} = 2x_nx_{n-1} - x_{n-2}</math> for...")
- 18:48, 17 August 2025 (diff | hist) . . (+243) . . N 2018 Putnam B Problems/Problem 3 (Created page with "==Problem== Find all positive integers <math>n < 10^{100}</math> for which simultaneously <math>n</math> divides <math>2^n</math>, <math>n-1</math> divides <math>2^n - 1</mat...")
- 18:30, 17 August 2025 (diff | hist) . . (+69) . . 2018 Putnam B Problems/Problem 1 (→Solution)
- 18:29, 17 August 2025 (diff | hist) . . (+1,947) . . 2018 Putnam B Problems/Problem 1 (→Solution)
- 18:10, 17 August 2025 (diff | hist) . . (+197) . . N 2018 Putnam B Problems/Problem 2 (Created page with "Let \( n \) be a positive integer, and let \( f_n(z) = n + (n-1)z + (n-2)z^2 + \dots + z^{n-1} \). Prove that \( f_n \) has no roots in the closed unit disk \( \{z \in \mathbb...")
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