Proving an alternate quadratic formula
11486
"Citardauq" formula derivation?
5927
How to prove $a_1^m + a_2^m + \cdots + a_n^m \geq \frac{1}{a_1} + \frac{1}{a_2} + \cdots + \frac{1}{a_n}$
75141
Quotient-Remainder Theorem Proving
72144
Show that $\mathbb Q(\sqrt p) \not\simeq\mathbb Q(\sqrt q)$
102279
Derivative of Quadratic Form
8207
Can I prove this inequality algebraically?
145690
Quadratic algorithm for 4-SUM
99692
Prove that $a^3+b^3+c^3 \geq a^2b+b^2c+c^2a$
128584
Sum of squared quadratic non-residues
115460
Proving $a\mid b^2,\,b^2\mid a^3,\,a^3\mid b^4,\ldots\implies a=b$ - why is my approach incorrect
158576
Derivation of the quadratic equation
91684
Prove the following equation(much needed help):
154945
$|px^2+qx+r|\le1$ for all $x$ in $[-1; 1]$, show that $|rx^2+qx+p|\le2$ for all $x$ in $[-1; 1]$
142360
How to show $x_1,x_2, \dots ,x_n \geq 0 $ and $ x_1 + x_2 + \dots + x_n \leq \frac{1}{2} \implies (1-x_1)(1-x_2) \cdots (1-x_n) \geq \frac{1}{2}$
8784
modulo version of the quadratic formula and Euler's criterion
137608
Proof of Euclid's formula for primitive Pythagorean Triples
86882
Proving Gauss' polynomial theorem (Rational Root Test)