गणित की ट्रिक्स

Tuesday 4 October 2016

बीजगणित सामान्य सूत्र (Math Algebra Basic Formula) || Magic Maths Tricks In Hindi-2016 || SSC || IBPS




बीजगणित सामान्य सूत्र (Math Algebra Basic Formula) :-

  1. (AX+BX) = X(A+B)
  2. (X+Y)=X2+Y2+2XY
  3. (X-Y)=X2+Y2-2XY
  4. X2-Y2 = (X+Y)(X-Y)
  5. X3+Y3 = (X+Y)(X2-XY+Y2)
  6. X3-Y3 = (X-Y)(X2+XY+Y2)
  7. (X+Y)3 = X3+Y3+3XY(X+Y)
  8. (X-Y)3 = X3-Y3-3XY(X-Y)
  9. (X+Y+Z)2 = X2+Y2+Z2+2(XY+YZ+ZX)
  10. (X+Y-Z)2 = X2+Y2+Z2+2(XY-YZ-ZX)
  11. (X-Y+Z)2 = X2+Y2+Z2+2(-XY-YZ+ZX)
  12. (X+Y+Z)3 = X3+Y3+Z3+3(X+Y)(Y+Z)(Z+X)  
  13. X3+Y3+Z3-3XYZ = (X+Y+Z)(X2+Y2+Z2-XY-YZ-ZX)
      यदि यहाँ  X+Y+Z =0  तब 
                                     X3+Y3+Z3=3XYZ 



                               इसको समझने के लिए पीडीएफ देखे 

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