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Q: यदि x + y + z = 6 और \(x^2\)+ \(y^2\) +\(z^2\)=20 है, तो \(x^3\)+\(y^3\)+\(z^3\)-3xyz का मान है-

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    64
  • 2
    70
  • 3
    72
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    76
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Answer : 3. "72"

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