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Q:

यदि x+y =3 तथा $${1\over x}+{1\over y}= -{3\over 10}$$  है, तो (x2+y2)  का मान क्या है?

  • 1
    29
  • 2
    28
  • 3
    26
  • 4
    34
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Answer : 1. "29"

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