Question

If A-{1, 2, 3, 4} and B={4, 5, 6, 7} then AUB should be
(A) {2, 3, 4, 5, 6, 7} (B) {1, 2, 3, 4, 5, 6, 7} (C) {4} (D) {1, 2, 3, 5, 6, 7}​

Answer 1

Answer:

(B) {1,2,3,4,5,6,7} is the answer.

Answer 2

Answer:

option B is correct one

Step-by-step explanation:

A={1,2,3,4}

B={4,5,6,7}

AUB = whole set of A & B

AUB={1,2,3,4,5,6,7}