Explanation of $d^{-1}$ in modular arithmetic
55759
Define ≡ in this situation?
145354
What is $\gcd(0,0)$?
155635
Why is the math for negative exponents so?
57846
Multiplicative inverse in $\operatorname{GF}(2^8)$?
3356
Why $\sum_{k=0}^m x^k $ is equal to $\dfrac{x^{m+1}-1}{x-1} $?
50655
Proof of $f^{-1}(B_{1}\setminus B_{2}) = f^{-1}(B_{1})\setminus f^{-1}(B_{2})$
53777
Why is $\gcd(x^4+1,x^2-1) = 1$ but I get $2$? [unit normalization of gcds]
153794
What is the meaning of $1/(D+a)$, where $D$ is the derivative operator?
108923
What is wrong with this false proof? $-1=(-1)^1=(-1)^\frac{2}{2}=((-1)^2)^\frac{1}{2}=\sqrt{(-1)^2}=\sqrt{1}=1$
111505
Proof $\binom{p-1}{k}\equiv (-1)^k \mod{p}$
109674
If $(I-T)^{-1}$ exists, can it always be written in a series representation?
129647
$A^{-1}$ has integer entries if and only if the ${\rm det}\ (A) =\pm 1$
124209
How is $\ln(-1) = i\pi$?
106313
How Does Modulus Divison Work
125512
Doubt regarding divisibility of the expression: $1^{101}+2^{101} \cdot \cdot \cdot +2016^{101}$
150446
Quadratic Modular Arithmetic
26330
Why can we modular reduce arguments of sums and products in modular arithmetic?