Harjutame valemeid

x_1_,_2=-\frac{p}{2}±\sqrt{\frac{p²}{4}-q}

x_1_,_2=\frac{-b±\sqrt{b²-4ac}}{2a}

a³±b³=(a±b)(a²∓ab+b²)

S=\frac{a·h}{2}

S=\frac{1}{2}a·b·sin \; γ

S=\frac{1}{2}\begin{array}{} x_3-x_1 & y_3-y_1 \ x_2-x_1 & y_2-y_1 \ \end{array}  Kui A(x_1;y_1), B(x_2;y_2), C(x_3;y_3)

S=\frac{a²·sin \; β·sin \; γ}{2sin \; α}

x^2+px+q=0

ax^2+bx+c=0

Kuupide summa ja vahe

Kolmnurga pindala

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