maths formulas

(α+в+¢)²= α²+в²+¢²+2(αв+в¢+¢α) (α+в)²= α²+2αв+в²(α+в)²= (α-в)²+4αв(α-в)²= α²-2αв+в²(α-в)²= (α+в)²-4αвα² + в²= (α+в)² - 2αв.α² + в²= (α-в)² + 2αв.α²-в² =(α + в)(α - в)2(α² + в²) = (α+ в)² + (α -…