Question

if A = {1, 3, 5, 7, 9}, B= { 2, 3, 5, 7, 11} then find A triangle B​

Answer 1

${ \red{ \underline{ \underline{ \huge{ \mathfrak{answer}}}}}}$

$\therefore \: A= { 1,3,5,7,9} \: and \: B = {2,3,5,7,11} \\ \: \therefore \: A - B = {1-9} and B - A = {2 ,11} \\ </p><p>\therefore A∆B = ( A - B ) /U{B-A}$

= {1 ,9} U {2,11}

= {1,2,9,11}

Answer 2

hope it will help you plz mark me as brainlist and plz follow me❤