chris

### Questions (35)

 4 $\int f=0$ implies $f=0$ almost everywhere 4 Use Viete's relations to prove the roots of the equation $x^3+ax+b=0$ satisfy $(x_1-x_2)^2(x_1-x_3)^2(x_2-x_3)^2=-4a^3-27b^2$ 4 Write the function $\frac{1}{(z+1)(3-z)}$ as a Laurent series. 4 If $G$ has no proper subgroup, then $G$ is cyclic of prime order 3 At what points is the following function continuous?

### Reputation (338)

 +5 $\int f=0$ implies $f=0$ almost everywhere +5 prove the set of all spheres with rational center and radius is countable +5 Prove a cauchy sequence in $(X,\rho)$ maps to a cauchy sequence in $(Y,\sigma)$ +5 If $G$ has no proper subgroup, then $G$ is cyclic of prime order

 0 How do I find integer solutions to $23x+31y=29$

### Tags (31)

 0 real-analysis × 11 0 continuity × 4 0 general-topology × 8 0 algebra-precalculus × 3 0 metric-spaces × 7 0 calculus × 3 0 complex-analysis × 6 0 modular-arithmetic × 3 0 number-theory × 5 0 elementary-number-theory × 2

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