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77 Answers

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14	I can't do math?
9	Calculate the sum of series $\sum\limits_{i=0}^{n-1} i2^i$
8	How does mathematical coefficients differ from “physical coefficients”?
7	How to simplify polynomials
5	Want to show $\sum_{n=2}^{\infty} \frac{1}{2^{n}*n}$ converges

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2,809 Reputation

+10	Are there any situations where you can only memorize rather than understand?
+10	Why $\displaystyle f(z)=\frac{az+b}{cz+d}$, $a,b,c,d \in \mathbb C$, is a linear transformation?
+5	Is there a closed form for the series $\sum_{k=1}^\infty \frac{\ln(4k-3)}{(4k-3)}-\frac{\ln(4k-1)}{(4k-1)}?$
+10	Is there a closed form for the series $\sum_{k=1}^\infty \frac{\ln(4k-3)}{(4k-3)}-\frac{\ln(4k-1)}{(4k-1)}?$

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20 Questions

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50	Are there real-life relations which are symmetric and reflexive but not transitive?
14	Donald Knuth's summation notation confuses me.
13	Is there a closed form for the series $\sum_{k=1}^\infty \frac{\ln(4k-3)}{(4k-3)}-\frac{\ln(4k-1)}{(4k-1)}?$
10	What is the coefficient of the $x^3$ term in the expansion of $(x^2+x-5)^7$ (See details)?
9	What is $f(x)$ divided by $(x-a)$?

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75 Tags

20 algebra-precalculus × 13	10 abstract-algebra × 10
18 calculus × 15	10 integration × 6
14 sequences-and-series × 10	10 terminology × 2
12 summation × 2	9 soft-question × 4
11 polynomials × 5	8 homework × 7

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$TeX - LaTeX Stack Exchange$	TeX - LaTeX	125 rep	4
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