Question

What is the constant term in the expansion of ${\left(x^2-\dfrac{1}{x^4}\right)}^{13}$ ? and the middle term in it?

score 176 · Answer 1 · 2026-04-15 00:17:19

176

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What is the constant term in the expansion of ${\left(x^2-\dfrac{1}{x^4}\right)}^{13}$ ? and the middle term in it?

Published on 15 Apr 2026 - 0:17

score 68 · Answer 2 · 2026-04-14 06:17:34

68

Views

Standard deviation (sample) / average leads to constant when all values but one are zero

Published on 14 Apr 2026 - 6:17

score 77 · Answer 3 · 2026-05-11 01:53:08

77

Views

Inequality :$\left(\frac{x}{x+1}\right)^{\tan^2(x)}+\left(\frac{1}{1+3}\right)^{\tan^2(1)}+\left(\frac{3}{x+3}\right)^{\tan^2(3)}>\frac{40}{39}$

Published on 11 May 2026 - 1:53

score 70 · Answer 4 · 2026-04-10 22:48:21

70

Views

Euler's constant $e$ correctness of definition

Published on 10 Apr 2026 - 22:48

score 226 · Answer 5 · 2026-04-09 12:02:48

226

Views

Can I write e(mathematical constant) in fraction?

Published on 09 Apr 2026 - 12:02

score 194 · Answer 6 · 2026-04-16 06:46:49

194

Views

Number of arbitrary constants in an ODE

Published on 16 Apr 2026 - 6:46

score 23 · Answer 7 · 2026-04-11 00:31:44

23

Views

Simplifying differentiation with a constant

Published on 11 Apr 2026 - 0:31

score 244 · Answer 8 · 2026-04-09 12:37:51

244

Views

How do constants differ from numbers?

Published on 09 Apr 2026 - 12:37

score 133 · Answer 9 · 2026-04-11 18:58:15

133

Views

An other total-variation inequality of mine

Published on 11 Apr 2026 - 18:58

score 250 · Answer 10 · 2026-04-13 11:08:07

250

Views

Which number is greater? $2\sqrt{2}$ or $e$

Published on 13 Apr 2026 - 11:08

score 177 · Answer 11 · 2026-04-12 02:24:32

177

Views

How fast does this sum over primes converge?

Published on 12 Apr 2026 - 2:24

score 280 · Answer 12 · 2026-05-14 22:54:08

280

Views

Origin of Legendre's constant term.

Published on 14 May 2026 - 22:54

score 124 · Answer 13 · 2026-04-15 11:45:45

124

Views

Prove that $(x+1)^x \over x^x $ $=e$ as $x$ approaches infinity.

Published on 15 Apr 2026 - 11:45

score 224 · Answer 14 · 2026-04-11 19:00:36

224

Views

Arbitrary constant C, when to resolve it to C?

Published on 11 Apr 2026 - 19:00

score 191 · Answer 15 · 2026-04-09 19:10:21

191

Views

Mathematical constant

Published on 09 Apr 2026 - 19:10

List Question

What is the constant term in the expansion of ${\left(x^2-\dfrac{1}{x^4}\right)}^{13}$ ? and the middle term in it?

Standard deviation (sample) / average leads to constant when all values but one are zero

Inequality :$\left(\frac{x}{x+1}\right)^{\tan^2(x)}+\left(\frac{1}{1+3}\right)^{\tan^2(1)}+\left(\frac{3}{x+3}\right)^{\tan^2(3)}>\frac{40}{39}$

Euler's constant $e$ correctness of definition

Can I write e(mathematical constant) in fraction?

Number of arbitrary constants in an ODE

Simplifying differentiation with a constant

How do constants differ from numbers?

An other total-variation inequality of mine

Which number is greater? $2\sqrt{2}$ or $e$

How fast does this sum over primes converge?

Origin of Legendre's constant term.

Prove that $(x+1)^x \over x^x $ $=e$ as $x$ approaches infinity.

Arbitrary constant C, when to resolve it to C?

Mathematical constant

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