Question

Q:) {1, 2, 3, 5, 7} ∆ {3, 5, 7, 9, 11}

A) {1, 2, 3, 5, 7, 9, 11}

B) {3, 5, 7}

C) {1, 2, 9, 11}

D) None of these​

Answer 1

Step-by-step explanation:

{1, 2, 3, 5, 7} ∆ {3, 5, 7, 9, 11}

common {3,5,7}

Answer 2

Answer:

I think it's C

Step-by-step explanation:

select the number which are not common in both , question asking for difference