Question

a basic definite integration and its result used in evaluating limit

score 58 · Answer 1 · 2026-03-26 14:40:41

58

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a basic definite integration and its result used in evaluating limit

Published on 26 Mar 2026 - 14:40

score 211 · Answer 2 · 2018-12-07 14:02:30

211

Views

find closed form for following double integral containing radicals

Published on 07 Dec 2018 - 14:02

score 130 · Answer 3 · 2018-12-08 16:09:26

130

Views

Is there an $11$-element circular permutation of $\{1,2,...,12\}$ with all $|a_i-a_{i+1}|$ distinct?

Published on 08 Dec 2018 - 16:09

score 286 · Answer 4 · 2026-03-28 06:48:21

286

Views

Did I apply the Ceva's theorem correctly to this problem?

Published on 28 Mar 2026 - 6:48

score 447 · Answer 5 · 2026-03-27 16:47:44

447

Views

Find all positive integers $a$ and $b$ such that $(1 + a)(8 + b)(a + b) = 27ab$.

Published on 27 Mar 2026 - 16:47

score 938 · Answer 6 · 2018-12-09 22:09:21

938

Views

Coloring grid points with two colors

Published on 09 Dec 2018 - 22:09

score 159 · Answer 7 · 2018-12-12 07:01:24

159

Views

The meaning of $(\forall M \in \mathbb{R} )( \exists B \in \mathbb{R} )( \forall x>B )( f(x)<M )$

Published on 12 Dec 2018 - 7:01

score 153 · Answer 8 · 2026-03-26 13:30:15

153

Views

$f(x) * f(y) = f(x-y) + f(x+y)$

Published on 26 Mar 2026 - 13:30

score 56 · Answer 9 · 2018-12-12 16:21:30

56

Views

System of linear equation based on Sum of the Digits of a number

Published on 12 Dec 2018 - 16:21

score 73 · Answer 10 · 2018-12-12 19:24:46

73

Views

Compare two fractions

Published on 12 Dec 2018 - 19:24

score 463 · Answer 11 · 2018-12-13 19:23:13

463

Views

If $x_1,x_2,\ldots,x_n$ are the roots for $1+x+x^2+\ldots+x^n=0$, find the value of $\frac{1}{x_1-1}+\frac{1}{x_2-1}+\ldots+\frac{1}{x_n-1}$

Published on 13 Dec 2018 - 19:23

score 1.3k · Answer 12 · 2026-03-27 05:39:10

1.3k

Views

Cevians $AD$, $BE$, $CF$ are concurrent, as are cevians $DP$, $EQ$, $FR$; show that $AP$, $BQ$, $CR$ are concurrent

Published on 27 Mar 2026 - 5:39

score 210 · Answer 13 · 2026-03-26 09:41:51

210

Views

If $\frac {a}{3^{x-1}}=\frac{b}{3^{y+2}}=\frac{c}{3^{z-1}}=\frac 15\;$ then which of the following equals $a×b×c$?

Published on 26 Mar 2026 - 9:41

score 57 · Answer 14 · 2018-12-15 12:07:08

57

Views

No of different ways of marks can be obtained in MCQ?

Published on 15 Dec 2018 - 12:07

score 322 · Answer 15 · 2018-12-15 13:49:26

322

Views

JEMC 2016/2: Proof that a certain line is orthogonal to the radical axis of two circles

Published on 15 Dec 2018 - 13:49

List Question

a basic definite integration and its result used in evaluating limit

find closed form for following double integral containing radicals

Is there an $11$-element circular permutation of $\{1,2,...,12\}$ with all $|a_i-a_{i+1}|$ distinct?

Did I apply the Ceva's theorem correctly to this problem?

Find all positive integers $a$ and $b$ such that $(1 + a)(8 + b)(a + b) = 27ab$.

Coloring grid points with two colors

The meaning of $(\forall M \in \mathbb{R} )( \exists B \in \mathbb{R} )( \forall x>B )( f(x)<M )$

$f(x) * f(y) = f(x-y) + f(x+y)$

System of linear equation based on Sum of the Digits of a number

Compare two fractions

If $x_1,x_2,\ldots,x_n$ are the roots for $1+x+x^2+\ldots+x^n=0$, find the value of $\frac{1}{x_1-1}+\frac{1}{x_2-1}+\ldots+\frac{1}{x_n-1}$

Cevians $AD$, $BE$, $CF$ are concurrent, as are cevians $DP$, $EQ$, $FR$; show that $AP$, $BQ$, $CR$ are concurrent

If $\frac {a}{3^{x-1}}=\frac{b}{3^{y+2}}=\frac{c}{3^{z-1}}=\frac 15\;$ then which of the following equals $a×b×c$?

No of different ways of marks can be obtained in MCQ?

JEMC 2016/2: Proof that a certain line is orthogonal to the radical axis of two circles

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