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Algebraic formulas (બીજગણિતના સૂત્રો)

Pargi Digvijay Saturday, April 10, 2021
  1. (a + b )2 = a2 + 2ab + b2

  2. (a + b )2 = (a - b)2 + 4ab

  3. (a - b)2 = a2 - 2ab + b2

  4. (a - b)2 = (a + b)2 - 4ab

  5. a2 + b2 = (a + b)2 - 2ab

  6. a2 + b2 = (a - b)2 + 2ab

  7. a2 - b2 = (a + b) (a - b)

  8. (a + b)3 = a3 + 3a2b + 3ab2 + b3

  9. (a + b )3 = a3 + b3+ 3ab (a + b)



  10. (a - b )3 = a3 - 3a2b + 3ab2 - b3

  11. (a - b )3 = a3 - b3 -3ab (a - b)


  12. a3 + b3 = (a + b) (a2 -ab + b2)


  13. a3 + b3 = (a + b)3 -3ab (a + b)


  14. a3 - b3 = (a - b) (a2 + ab + b2)


  15. a3 - b3 = (a - b) 3 + 3ab (a - b)


  16. a3 + b3 + c3 - 3ab = (a + b + c) (a2 + b2 + c2 - ab - bc - ca)


  17. (a + b + c)3 = a3 + b3 + c3 +3 (a + b) (b + c) (c + a)


Pargi Digvijay

Posted by Pargi Digvijay

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