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If X and Y are two sets such that n(X) ...

If X and Y are two sets such that `n(X) = 17`, `n(Y) = 23`and `n (Xuu Y ) = 3 8`, find `n(X nnY)`.

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To find \( n(X \cap Y) \), we can use the formula for the union of two sets: \[ n(X \cup Y) = n(X) + n(Y) - n(X \cap Y) \] Given: - \( n(X) = 17 \) ...
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