# coffeemath

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bio website location United States age member for 2 years, 7 months seen 1 hour ago profile views 1,440

I teach math at St. John Fisher College in Rochester.

 14 How prove for any $k$ then have $a^2_{1}+a^2_{2}+a^2_{3}+\cdots+a^2_{k}=m^3$ 12 Drawing by lifting pencil from paper can still beget continuous function. 10 how to find integer solutions for $axy +bx + cy =d$? 9 How to determine the arc length of ellipse? 9 Function that sends $1,2,3,4$ to $0,1,1,0$ respectively

# 16,809 Reputation

 +45 No sum of three numbers equals another number in set +20 How prove for any $k$ then have $a^2_{1}+a^2_{2}+a^2_{3}+\cdots+a^2_{k}=m^3$ +10 Limits using Maclaurins expansion for $\lim_{x\rightarrow 0}\frac{e^{x^2}-\ln(1+x^2)-1}{\cos2x+2x\sin x-1}$ +10 Expressing n mod m in terms of floor values?

# 5 Questions

 11 Cover a disk with thin rectangles 6 Does each irreducible polynomial over the integers represent at least one prime? [duplicate] 5 Covering finite groups by unions of proper subgroups 2 Divisibility of coefficients $\binom{n}{k}$ with fixed composite $n$ 0 Five digit re-write game

# 256 Tags

 126 real-analysis × 71 69 sequences-and-series × 39 112 calculus × 80 67 algebra-precalculus × 48 106 geometry × 76 66 combinatorics × 46 106 number-theory × 46 64 functions × 32 75 elementary-number-theory × 46 48 diophantine-equations × 22

# 1 Account

 Mathematics 16,809 rep 21028