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cjferes

Electrical Engineering MSc. Interested in all things related to math, electrical engineering, and teaching.

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  • Santiago, Chile
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  • Member for 5 years, 9 months
  • 249 profile views
  • Last seen May 13 at 14:11

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Top posts (69) All Questions Answers | Votes Newest

8 Which one is true? (CSIR) Sep 25 '14
8 What is this representation of complex numbers? Dec 31 '14
5 If $\sin( 2 \theta) = \cos( 3)$ and $\theta \leq 90°$, find $\theta$ Aug 25 '14
5 If $CD = -DC$ Show that either $C$ or $D$ has no inverse. Sep 11 '14
4 Find a path of a particle Jan 12 '15
4 Express AND in terms of OR, XOR, NOT Sep 23 '14
3 Prove by Induction $64\mid (7^{2n} + 16n − 1)$ Oct 10 '14
3 How to solve: $\frac{x}{\log_2(x) }= y$ Jan 7 '15
3 Can someone help me to find a counter example that shows that $a \equiv b \mod m$ does not imply $(a+b)^m \equiv a^m +b^m \mod m$ Sep 16 '14
3 Using integral estimation to show that $ \sum_{k=1}^{\infty} \frac {\ln k}{k^2} \le \frac {2+3\ln2}{4}$ Aug 20 '14
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