# वर्ग समीकरण का सूत्र

## वर्ग समीकरण का सूत्र

वर्ग समीकरण का सूत्र

1. a² + b² = ( a + b ) ² – 2 a b

2. a³ + b³ = (a + b) (a² – a b + b²)

3. a³ + b³ = (a + b)³ – 3 a b(a + b)

4. a³ – b³ =(a – b) (a² + a b + b²)

5. a³ – b³ = (a – b)³ + 3 a b (a – b)

6. (a + b)³ = a² + 3 a² b + 3 a b² + b³

7. (a + b)³ = a³ + b³ + 3 a b(a + b)

8. (a – b)³ = a³ – 3 a² b +3 a b² -b³

9. (a – b)³ = a³ – b³ – 3 a b (a – b)

10. (a + b)² =(a – b)² + 4 a b

11. (a – b)² = (a + b)² – 4 a c

12. (a + b + c)² = a² + b² + c² + 2 a b + 2 b c + 2 c a

13. a⁴ + b⁴ = (a² + b²) -2 a² b²

14. a⁴ + b⁴ = [(a + b)² – 2 a b]² -2 a² b²

15. a³ + b³ + c³ = (a + b + c) (a² + b² + c² – a b – b c – c a) + 3 a b c

16. α в = {( α + в) / 2}² – {( α – в) / 2}²

17. α² + в² = (α – в)² + 2 α в.

18. α² – в² =(α + в) (α – в)

19. 2 (α ² + в ²) = (α + в)² + (α – в)²

20. 4 α в = (α + в)² – (α – в)²

गोला और वृत्त में अन्तर

गोला से सम्बंधित सूत्र

माध्यिका (Median) किसे कहते हैं ?

लघु विधि

दोलन चुम्बकत्वमापी (Vibration Magnetometer)

चुम्बकीय प्रवृत्ति (Magnetic susceptibility)

क्वाण्टम संख्याएँ

कक्षा और कक्षक में अंंतर

जीवों का वैज्ञानिक नाम

समान्तर माध्य

बहुलक किसे कहते हैं ?

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