Question

Could someone elaborate on this algebraic transformation?

score 66 · Answer 1 · 2026-03-25 06:01:17

66

Views

Could someone elaborate on this algebraic transformation?

Published on 25 Mar 2026 - 6:01

score 693 · Answer 2 · 2018-05-01 09:09:07

693

Views

Problem with fractions part and whole

Published on 01 May 2018 - 9:09

score 113 · Answer 3 · 2018-05-01 15:31:08

113

Views

Geometric explanation as to why $\sum_{n=1}^\infty \frac{1}{x^n}$ converges to $\frac{1}{x-1}$?

Published on 01 May 2018 - 15:31

score 60 · Answer 4 · 2018-05-03 01:45:54

60

Views

Showing $x-a>y-b$ implies $\frac{x}{y}>\frac{b}{a}$ and $x>y$?

Published on 03 May 2018 - 1:45

score 124 · Answer 5 · 2026-03-20 13:52:54

124

Views

Inequality with $abc=1$,

Published on 20 Mar 2026 - 13:52

score 31 · Answer 6 · 2018-05-07 16:28:44

31

Views

If $\frac{a}{c}<\frac{a'}{c'}<\frac{b}{d}$ and $bc-ad=1$, Then $a' = \lambda_1 a + \lambda_2 b$ and $c' = \lambda_1 c + \lambda_2 d$

Published on 07 May 2018 - 16:28

score 290 · Answer 7 · 2026-03-25 20:34:31

290

Views

Proving a question about the average of a periodic function formula

Published on 25 Mar 2026 - 20:34

score 228 · Answer 8 · 2018-05-08 04:35:10

228

Views

What fraction of the area $PQRS$ is represented by the quadrilateral $XYZS$?

Published on 08 May 2018 - 4:35

score 405 · Answer 9 · 2018-05-10 00:10:07

405

Views

Why does this question use multiplication instead of subtraction?

Published on 10 May 2018 - 0:10

score 1k · Answer 10 · 2026-03-25 04:42:36

1k

Views

What fraction of the trapezium is shaded? My guess: $\frac 13$. Answer: $?$

Published on 25 Mar 2026 - 4:42

score 119 · Answer 11 · 2026-03-23 10:50:15

119

Views

Prove this stronger inequality

Published on 23 Mar 2026 - 10:50

score 137 · Answer 12 · 2026-03-25 06:00:26

137

Views

Calculating the smallest possible total based on a given fraction

Published on 25 Mar 2026 - 6:00

score 437 · Answer 13 · 2018-05-10 18:04:16

437

Views

Why can the root of something be written as a fraction in the exponent?

Published on 10 May 2018 - 18:04

score 147 · Answer 14 · 2018-05-12 00:05:49

147

Views

How can we quickly find t in $\frac xt = \frac x a + \frac x b$ for larger integer values of a and b?

Published on 12 May 2018 - 0:05

score 11.9k · Answer 15 · 2026-03-25 06:02:23

11.9k

Views

Factorial of odds

Published on 25 Mar 2026 - 6:02

List Question

Could someone elaborate on this algebraic transformation?

Problem with fractions part and whole

Geometric explanation as to why $\sum_{n=1}^\infty \frac{1}{x^n}$ converges to $\frac{1}{x-1}$?

Showing $x-a>y-b$ implies $\frac{x}{y}>\frac{b}{a}$ and $x>y$?

Inequality with $abc=1$,

If $\frac{a}{c}<\frac{a'}{c'}<\frac{b}{d}$ and $bc-ad=1$, Then $a' = \lambda_1 a + \lambda_2 b$ and $c' = \lambda_1 c + \lambda_2 d$

Proving a question about the average of a periodic function formula

What fraction of the area $PQRS$ is represented by the quadrilateral $XYZS$?

Why does this question use multiplication instead of subtraction?

What fraction of the trapezium is shaded? My guess: $\frac 13$. Answer: $?$

Prove this stronger inequality

Calculating the smallest possible total based on a given fraction

Why can the root of something be written as a fraction in the exponent?

How can we quickly find t in $\frac xt = \frac x a + \frac x b$ for larger integer values of a and b?

Factorial of odds

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