peniellupain18 peniellupain18
  • 12-05-2024
  • Mathematics
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Three sets A, B, nadC satisfy the following conditions, n(A n B n C) =4,n(A n B) =9, n(AnC) =n(BnC) =7,n(C)=19. Find n(A), if n(AUBUC) =48 and n(A) =n(B) +4
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