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Mathematics
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DGRasines's user avatar
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DGRasines
  • Member for 10 years, 11 months
  • Last seen more than a month ago
  • Santiago de Compostela, Spain
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I'm a student of mathematics at the University of Santiago de Compostela.

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23
To prove this sequence does not contain a perfect square
May 28, 2014
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4
How can I prove that one of $n$, $n+2$, and $n+4$ must be divisible by three, for any $n\in\mathbb{N}$
Oct 12, 2013
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3
Simple trigonometric identity proof: $\sin^4x-\cos^4x=2\sin^2x-1$
Feb 15, 2014
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3
Matrices: $AB=0 \implies A=0 \text{ or } \ B=0$
Jul 19, 2014
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2
Inverse matrix - transformation
Jun 7, 2014
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1
Infinite limit proof
Oct 12, 2013
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1
Solutions for linear equation system Ax = b
Jan 5, 2014
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1
why the matrix is diagonalizable?
Mar 20, 2014
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0
Comparing function which satisfy certain conditions
Oct 5, 2013
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How many bitstrings of length n contain an equal number of zeros and ones?
Oct 10, 2013
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Estimators independence in simple linear regression
8
In linear regression, are the error and the predictor variable independent?
8
Non-Mathematical Examples of Orders