Mathematics
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sedrick
  • Member for 5 years, 9 months
  • Last seen more than 1 year ago
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Score Newest
answer
7
Prove $\cos x +\cos y = 2\cos(\frac{x+y}{2})\cos(\frac{x-y}{2})$
Mar 11, 2020
answer
7
Assume that we have six positive real numbers whose sum is 150. Prove that there exist two of them whose difference is less than 10.
Apr 25, 2018
question
5
Exercise on properties of integration
Apr 2, 2018
question
4
Riemann-Lebesgue lemma for periodic functions [duplicate]
Apr 6, 2018
question
4
Derive Dirichlet test from Abel test
Apr 25, 2018
answer
4
Is my proof of the Fibonacci sequence correct?
Mar 11, 2020
question
3
Fréchet Derivative of $\frac{1}{\|x\|}$
Nov 15, 2020
question
3
How to compute proximal mapping of function
May 27, 2020
question
3
Uniform convergence of $\lim_{x \to 0} y^x = 1$
Apr 29, 2018
question
3
Expectation from Joint Distribution
Sep 6, 2018
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32
My teacher gave me a puzzle one day
14
What have I done here?
11
Remove a letter, make a new word
8
5 Video Game Riddles - What are these Games?
7
True or Faulse?

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