Mathematics
Math 1988's user avatar
Math 1988's user avatar
Math 1988's user avatar
Math 1988
  • Member for 10 years, 9 months
  • Last seen more than 1 year ago
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analysis, linear algebra

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All Questions Answers
Score Newest
question
3
isomorphisms of two vector spaces and their duals
Apr 11, 2014
question
2
If $A^2=B^2=I$, then what are the eigenvalues of $AB$?
Feb 8, 2015
question
2
Evaluating $\int \frac {1}{1-a\sin x}dx$
Nov 9, 2015
answer
2
Linear functional and transposition.
Nov 27, 2013
answer
2
Prove: $(1+i\sqrt{3})(1+i)(\cos\phi+i\sin\phi)=2\sqrt{2}\left(\cos\left(\frac{7\pi}{12}+\phi\right)+i\sin\left(\frac{7\pi}{12}+\phi\right)\right)$
Oct 27, 2015
question
1
$\epsilon$-$\delta$ proof of discontinuity
Feb 14, 2013
question
1
$\lim\limits_{r\rightarrow \infty , 0} \left(\frac{\sum_1^n i^r/ n}{\sum_1^{n+1} i^r/(n+1)}\right)^{1/r} $?
Mar 11, 2013
question
1
Prove that the sequence $x_n=n$ is Cauchy for the metric $d(x,y)=\frac{\vert x-y \vert}{\sqrt {1+x^2} \sqrt{1+y^2}}$
Apr 28, 2014
question
1
For what values of $a$, $\sum_{n=1}^{\infty}\frac{(\cos n)(\sin na)}{n}$ converges?
Feb 6, 2015
question
1
property of continuous function
Oct 26, 2015

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