Let A = a, e, i, o, u and B = a, i, u . Show that A B = A - Vidyadip

Question

Let A = { a, e, i, o, u } and B = { a, i, u }. Show that A $\cup$B = A

✓

Answer

We have, A $\cup$B = { a, e, i, o, u } = A.
This example illustrates that union of sets A and its subset B is the set A

We know that if B $\subset$A, then A $\cup$B = A.

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