Mathematics
Kay K.'s user avatar
Kay K.'s user avatar
Kay K.'s user avatar
Kay K.
  • Member for 7 years, 10 months
  • Last seen this week
  • New York, NY
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All Questions Answers
Score Newest
answer
38
Is there a simple function that generates the series; $1,1,2,1,1,2,1,1,2...$ or $-1,-1,1,-1,-1,1...$
Aug 22, 2016
question
30
This infinitely nested root gives me two answers $ \sqrt{4+\sqrt{8+\sqrt{32+\sqrt{512+\sqrt{\frac{512^2}{2}+\sqrt{...}}}}}} $
Nov 27, 2015
answer
25
What am I doing wrong in this proof?
Dec 12, 2015
question
18
Number of discrete functions such that $f(f(f(x)))=x$
Jan 8, 2017
answer
16
If $f(f(x)) = x$ and $f(0) = 1$ then what is the value of $\int_0^1 (x - f(x)) ^{2n} dx$
Sep 28, 2022
question
14
Minimize $\left(a+\frac1a\right)\left(a+\frac1b\right)$+$\left(b+\frac1b\right)\left(b+\frac1c\right)$+$\left(c+\frac1c\right)\left(c+\frac1a\right)$
May 26, 2017
answer
13
Prove that $e^\frac{x+y}{2} < \frac{1}{2}(e^x+e^y)$ for $x\neq y$
Dec 9, 2015
answer
13
Evaluation of $\lim_{x\rightarrow \infty}\left\{\left[(x+1)(x+2)(x+3)(x+4)(x+5)\right]^{\frac{1}{5}}-x\right\}$
Feb 22, 2016
question
13
Expected number of steps to finish all the cookies
Dec 29, 2015
question
11
Evalulate $\int_0^\infty \int_0^\infty \int_0^\infty e^{-(xy+yz+zx)}\ dx\ dy\ dz$
Feb 10, 2019

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