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If nC9 = nC3. what is n?
  • CUET (UG) - 2023
  • CUET (UG)
  • Mathematics
  • permutations and combinations
What is the value of 81P2-81C2?
  • CUET (UG) - 2023
  • CUET (UG)
  • Mathematics
  • permutations and combinations