Harjutame valemeid

x_{1,2}=-\frac{p}4±\sqrt{\frac{p^2}4-q}

x_{1,2}=\frac{b±\sqrt{b^2-4ac}}{2a}

a^3±b^3=\left( a±b  \right)\left(a^2∓ab+b^2 \right)

S=\frac{a·h}2

S=\frac12a·b·sin\;γ

S=\frac{a^2·sin\;β·sin\;γ}b

S=\frac12\left| \begin{array}{} x_3-x_1 & y_3-y_1 \ x_2-x_1 & y_2-y_1 \ \end{array}  \right|,\; kui\; A\left(x_1;y_1\right), B\left(x_2;y_2\right)\;ja\: C\left(x_3;y_3\right)

x²+px+q=0

ax²+bx+c=0

kuupide summa ja vahe

kolmnurga pindala

a = true
b = true
c = true
d = true