🏫 Board➗ Maths

A set A has 3 elements and another set B has 6 elements. Then

\( 3 \leq n(A \cup B) \leq 6 \)

\(3 \leq n(A \cup B) \leq 9\)

\(6 \leq n(A \cup B) \leq 9\)

\(0 \leq n(A \cup B) \leq 9\)

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