Question

QL Choose correct alternative.
1) If A=(1.2.3) B= (2.3.5) then A U B = ?
a) (1.2.3.4.5)
b) 2.3)
c) [12.3.5)
d) 11.23.23.53​

Answer 1

Answer:

B. A(1.2.3) B(2.3.5) AUB=A(1.2.3)UB(2.3.5). = AUB=(2.3)