Question

if p=(1,2,5,7,9) q=(2,3,5,9,11) r=(3,4,5,7,9) and s=(2,3,4,5,8) then find (p union q) union r.​

Answer 1

Answer:

p=(1,2,5,7,9) , q= (2,3,5,9,11) , r= (3,4,5,7,9)

then,

(qUq)Ur

{(1,2,5,7,9)U (2,3,5,9,11)U (3,4,5,7,9)

{2,5,9}U (3,4,5,7,9)

(5,9)

answer