joseph

### Questions (32)

 2 Prove that if $a^{(n-1)/2}\equiv\pm1\pmod{n}$, then $\left(\frac{a}{n}\right)\equiv a^{(n-1)/2}\pmod{n}$ 2 Finding the Wedge Product of Two Multivariable Vectors and Making Sense of It 1 Find a formula for $m$ in terms of $P_m=(x,y)$ and $s$. 1 Prove that $G$ has at most one element of order $2$ 1 Triple Integral: Coordinate change from polar to spherical $(dx\wedge dy\wedge dz)\rightarrow(d\rho\wedge d\phi\wedge d\theta)$

### Reputation (170)

 +5 Find a formula for $m$ in terms of $P_m=(x,y)$ and $s$. +5 Prove that $G$ has at most one element of order $2$ +5 Triple Integral: Coordinate change from polar to spherical $(dx\wedge dy\wedge dz)\rightarrow(d\rho\wedge d\phi\wedge d\theta)$ +5 Finding what a line does under the function $\mathbf f:\mathbf R^2\rightarrow\mathbf R^3,\mathbf f(x,y)=(x+2y,x-2y)$

 0 How to: $f(x)$ congruent to $a \pmod{b^n}$ 0 Finding how many pages john read 0 Joukowski Transformation and Unit Circles

### Tags (50)

 0 elementary-number-theory × 11 0 calculus × 2 0 multivariable-calculus × 10 0 modular-arithmetic × 2 0 number-theory × 7 0 quadratic-reciprocity × 2 0 cryptography × 5 0 chinese-remainder-theorem × 2 0 complex-analysis × 3 0 quadratic-residues × 2

### Accounts (3)

 Mathematics 170 rep 14 Stack Overflow 1 rep Cryptography 1 rep