Question

if A = {3, 4, 5} and B= {5, 6, 7 ,8} then find (1) AuB verify AuB =BuA.​

Answer 1

Answer:

Step-by-step explanation:

Given that,

A = { 3, 4 , 5 } and

B = { 5, 6, 7, 8 }

A ∪ B = { 3, 4, 5 } ∪ { 5, 6, 7, 8 }

= { 3, 4, 5, 6, 7, 8 }

B ∪ A = { 5, 6, 7, 8 } ∪ { 3, 4, 5 }

= { 3, 4, 5, 6, 7, 8 }

∴ ( A ∪ B ) = ( B ∪A ) is verified.