Important Math Formulas which helps you to easily clear your SSC, Banking and other competitive exams...

• α+в+¢)²= α²+в²+¢²+2(αв+в¢+¢α) 
• 1. (α+в)²= α²+2αв+в²
• 2. (α+в)²= (α-в)²+4αв b
• 3. (α-в)²= α²-2αв+в²
• 4. (α-в)²= f(α+в)²-4αв
• 5. α² + в²= (α+в)² - 2αв.
• 6. α² + в²= (α-в)² + 2αв.