Question

If A={1,2,3,4,5},B={4,5,6,7} and C={2,3,4}find (A-B)-C​

Answer 1

(A - B) - C = { 1 , 4 , 6 , 7 }

Explanation:

A = { 1 , 2 , 3 , 4 , 5 }

B = { 4 , 5 , 6 , 7 }

A - B = { 1 , 2, 3 ,6 , 7 }

C = { 2 , 3 , 4 }

(A - B) - C = { 1 , 4 , 6 , 7 }