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31. Let A be a set. Show that ∅ × A = A ×∅=∅.
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31. Let A be a set. Show that ∅ × A = A ×∅=∅.

User Richard Hurt
by
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1 Answer

5 votes

Answer:

Rational number

Explanation:

because all rational number multiple by0 is 0

User Rabin
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