Question

Write set-builder form for {3,6,9,12}.
If A = {2,3,5,7,11}, B = {1,3,5,7,9; then f. ind n(ANB)
A = {6,9,11}, p= { } find AU 0​

Answer 1

{3,6,9,12}

{x:x is a multiples of 3 x<15}

A={2,3,5,7,11}, B={1,3,5,7,9}

AnB={1,2,3,5,7,9,11}

n{A;B}=7

AU0=0