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781

Q:

यदि x + y = 1 और  xy (xy – 2) = 12 है तो  x4 + y4 का मान होगा—

  • 1
    23
  • 2
    25
  • 3
    19
  • 4
    20
  • Show Answer
  • Workspace

Answer : 2. "25"

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