Mathematics » Sets

यदि A = {1, 3, 5, 7, 8} और B = {5, 7, 9, 11}, तो A ∪ B का मान होगा-

A

{1, 3, 7, 9}

B

{1, 3, 5, 7, 8, 9, 11}

C

{5, 7}

D

{1, 3, 8, 11}