If A = a, b, c ,B = c, d, e , C a, d, f , then A (B ∪ C) is: - Vidyadip

MCQ

If $A = \{a, b, c\},B = \{c, d, e\}, C\{a, d, f\},$ then $\ce{A \times (B ∪ C)}$ is:

A
$\{(a, d),(a, e),(a, c)\}$
B
$\{(a, d),(b, d),(c, d)\}$
C
$\{(d, a),(d, b),(d, c)\}$
✓
none of these

✓

Answer

Correct option: D.

none of these

$A \times (B ∪ C) = \{a, b, c\} \times \{a, c, d, e, f\}.$
The above set will consist of $15$ ordered pairs and not $3.$

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