Question

If a={4,6,7,8,9}, b={2,4,6} c={1,2,3,4,5,6} what is au(b intersection c)

Answer 1

b intersection c is{2,4,6}
a u (b intersection c)
{4,6,7,8,9} u {2,4,6}
{2,4,6,7,8,9}

Answer 2

Intersection means we will only take the common no. Between them now i think  can solve rit