Question

Prove that $b^2-4ac$ can not be a perfect square

score 288 · Answer 1 · 2020-08-02 21:12:12

288

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Prove that $b^2-4ac$ can not be a perfect square

Published on 02 Aug 2020 - 21:12

score 34 · Answer 2 · 2020-08-03 20:43:12

34

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is there a function $\alpha(x)$ that follows these rules and is differentiable everywhere?

Published on 03 Aug 2020 - 20:43

score 184 · Answer 3 · 2020-08-04 14:46:44

184

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How to make a perfect square from a number given in a surd form $a+b\sqrt{c}$?

Published on 04 Aug 2020 - 14:46

score 2k · Answer 4 · 2020-08-05 14:33:18

2k

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Square equal to sum of three squares

Published on 05 Aug 2020 - 14:33

score 62 · Answer 5 · 2020-08-06 15:41:56

62

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what loops and points of numbers are possible when you take the alternating sum of the digits of squared?

Published on 06 Aug 2020 - 15:41

score 197 · Answer 6 · 2026-03-26 01:27:08

197

Views

Diophantine Equation with Square Root

Published on 26 Mar 2026 - 1:27

score 833 · Answer 7 · 2020-08-15 16:34:15

833

Views

Is it possible that $2^{2A}+2^{2B}$ is a square number?

Published on 15 Aug 2020 - 16:34

score 132 · Answer 8 · 2020-08-16 13:48:17

132

Views

How to check if a number can be represented as difference of a cube and sqaure?

Published on 16 Aug 2020 - 13:48

score 124 · Answer 9 · 2020-08-17 02:12:56

124

Views

Prove by contradiction integer ends with 325

Published on 17 Aug 2020 - 2:12

score 78 · Answer 10 · 2020-08-17 13:50:21

78

Views

Proving an expression is not a perfect square

Published on 17 Aug 2020 - 13:50

score 453 · Answer 11 · 2026-03-28 14:54:14

453

Views

Proof to find at least 2005 ordered pairs (x, y)

Published on 28 Mar 2026 - 14:54

score 51 · Answer 12 · 2020-08-24 17:10:54

51

Views

If $0<r^2<p\in\mathbb{Q}$, there exists positive integer $k$ such that $(r+1/k)^2<p$.

Published on 24 Aug 2020 - 17:10

score 119 · Answer 13 · 2020-08-26 15:02:16

119

Views

Roots of imperfect square as sum of other real numbers

Published on 26 Aug 2020 - 15:02

score 410 · Answer 14 · 2020-09-03 03:43:10

410

Views

Finding all positive integers $n$ such that $\{n,n+1,n+2,n+3,n+4,n+5\}$ partitions into two subsets such that the products of elements are the same

Published on 03 Sep 2020 - 3:43

score 341 · Answer 15 · 2020-09-10 14:05:31

341

Views

Square Triangle numbers and Pell's equation

Published on 10 Sep 2020 - 14:05

List Question

Prove that $b^2-4ac$ can not be a perfect square

is there a function $\alpha(x)$ that follows these rules and is differentiable everywhere?

How to make a perfect square from a number given in a surd form $a+b\sqrt{c}$?

Square equal to sum of three squares

what loops and points of numbers are possible when you take the alternating sum of the digits of squared?

Diophantine Equation with Square Root

Is it possible that $2^{2A}+2^{2B}$ is a square number?

How to check if a number can be represented as difference of a cube and sqaure?

Prove by contradiction integer ends with 325

Proving an expression is not a perfect square

Proof to find at least 2005 ordered pairs (x, y)

If $0<r^2<p\in\mathbb{Q}$, there exists positive integer $k$ such that $(r+1/k)^2<p$.

Roots of imperfect square as sum of other real numbers

Finding all positive integers $n$ such that $\{n,n+1,n+2,n+3,n+4,n+5\}$ partitions into two subsets such that the products of elements are the same

Square Triangle numbers and Pell's equation

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