Question

Let U={1,2,3,4,5,6,7,8,9},A={1,3,5,6,8},B={1,2,4,7,9}
Find a)A' , B'
b) AUB and AnB​
(question from class 11 sets)

Answer 1

Given:

U = { 1,2,3,4,5,6,7,8,9}

A = { 1,3,5,6,8}

B = { 1,2,4,7,9 }

To find ;

a) A' & B'

b) A U B & A n B

SOLUTION:

a)

A' = { 2,4,7,9 }

B' = { 3,5,6,8 }

b)

A U B = { 1,2,3,4,5,6,7,8,9 }

A n B = { 1 }