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Madrit Zhaku

Member for 12 years, 2 months
Last seen more than 6 years ago

Struga

Network profile

Summary

Reputation

5,314

5.3k
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5.1k

2021
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2024

Top tag

calculus

Next privilege

10,000 Rep.

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Badges

4

17

19

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Yearling

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0/1

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Answers

View all 128 answers

192

$\sqrt{7\sqrt{7\sqrt{7\sqrt{7\sqrt{7\cdots}}}}}$ approximation

Dec 2, 2013

7

Prove $\frac{1}{2^2}+\frac{1}{3^2}+\frac{1}{4^2}+\cdot\cdot\cdot+\frac{1}{x^2}<\frac{x-1}{x}$

Sep 9, 2012

7

How to get $p$ in this equation

Oct 6, 2012

6

Please help me for a substitution method to evaluate $\int\frac{dx}{(x+a)^2(x+b)^2}$

Jul 7, 2012

5

Need help finding limit $\lim \limits_{x\to \infty}\left(\frac{x}{x-1}\right)^{2x+1}$

Jul 5, 2012

Questions

View all 24 questions

6

How to evaluate $\int 1/(1+x^{2n})\,dx$ for an arbitrary positive integer $n$?

Jul 15, 2012

3

Please help me prove: $v(a+b)\leq v(a)+v(b)$, and $v(ab)\leq v(a)v(b)$ where $v(x)=\inf{\{\vert x^n \vert}^{1/n}: n\in\mathbb{N}\}$

Oct 23, 2013

3

Show that interval $(a, b)$ is not open in $\mathbb{R}^2$

Nov 3, 2013

3

Prove the equation $\vert d(x,z)-d(y,t)\vert\leq d(x,y)+d(z,t)$

Jul 30, 2014

1

Finding the closure of $\mathbb{Z}$ and $\mathbb{Q}$ in $\mathbb{R}$

Nov 6, 2013

Tags

View all 49 tags

calculus

260

Score

62

posts

limits

223

Score

25

posts

radicals

196

Score

4

posts

nested-radicals

195

Score

4

posts

infinite-product

192

Score

1

post

Reputation

+10

$\sqrt{7\sqrt{7\sqrt{7\sqrt{7\sqrt{7\cdots}}}}}$ approximation

+10

How to evaluate $\int 1/(1+x^{2n})\,dx$ for an arbitrary positive integer $n$?

+10

Find the Viète formula

+10

Prove $\frac{|a+b|}{1+|a+b|}<\frac{|a|}{1+|a|}+\frac{|b|}{1+|b|}$.

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Oct 22, 2016
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Jan 25, 2019
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Dec 24, 2014

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Oct 24, 2013
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Oct 12, 2015
Good Answer

Dec 2, 2013

19

bronze badges

limits

May 14, 2014
calculus

Nov 27, 2019
Self-Learner

Jul 7, 2012

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