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माना a,b,c वास्तविक संख्याएं है। माना x,...

माना a,b,c वास्तविक संख्याएं है। माना `x,y,z` ऐसी वास्तविक संख्याएं है जो सभी शून्य नहीं हैं तथा `x=cy+bz,y=az+cx` तथा `z=bx+ay`, तो `a^(2)+b^(2)+c^(2)+2abc` का मान है:

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