Mathematics
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xldd
  • Member for 7 years, 11 months
  • Last seen more than 1 year ago
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161
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All Questions Answers
Score Newest
question
15
Find the minimum of $\sqrt{4y^2-12y+10}+\sqrt{18x^2-18x+5}+\sqrt{18x^2+4y^2-12xy+6x-4y+1}$
Feb 28, 2021
question
10
Why is $\lim_{x\to 1}\sqrt{1-x}\sum_{n=0}^\infty x^{n^2}=\sqrt{\pi}/2\,\,$? [duplicate]
Aug 9, 2016
question
9
Existence of $\xi$ and $\eta$ such that $f'(\xi)+f'(\eta)=\xi+\eta$
Sep 15, 2016
question
8
Orthonormal basis of $\{(x_1, \dots, x_n) \mid x_1+x_2+\cdots+x_n=0\}$ [duplicate]
Aug 1, 2016
question
8
Any complex number can be the eigenvalue of some non-negative matrix
Nov 7, 2014
question
7
The existence of $a,b$ such that $\int_a^b f(x)dx=\int_a^b g(x)dx=1/2$. [duplicate]
Aug 27, 2019
question
6
A matrix with all entries being positive, each row has the same sum.
Jan 17, 2021
question
6
Integral equals to the intermediate value
Jul 7, 2014
question
6
An inequality related to the cosine theorem
Nov 30, 2014
question
6
Find an integral with fractions
Dec 10, 2014

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