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R.N
  • Member for 9 years, 5 months
  • Last seen more than 6 years ago
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22
Map closed under addition but not multiplication
8
Find $\lim_{n \to \infty} n^2 \sum^n_{k=1} {1 \over {(n^2+k^2)^2}}$ using Riemann sums
7
Closure of intersection of two sets
7
If f is integrable, is it finite almost everywhere?
6
Comparing norms on tensor products of matrices