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If .^(n)C(12) = .^(n)C(9) " find " .^(2...

If `.^(n)C_(12) = .^(n)C_(9) " find " .^(21) C_(n)`

Text Solution

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The correct Answer is:
`therefore ^21C_(n)=^(21)C_(21)=1`
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If .^(n)C_(8)=^(n)C_(6) , then find .^(n)C_(2) .

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Knowledge Check

  • If .^(n)C_(12) =^(n)C_(8) then n = . . . . .

    A
    12
    B
    6
    C
    4
    D
    20

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