Verify the property (a × b) × c = a × (b × c) of rational numbers by using a = 3426 , b = 3951 and c = 1713
Verify the property (a × b) × c = a × (b × c) of rational numbers by using a = 23 , b = 910 and c =2018
Verify associative property for multiplication of the rational numbers, a, b and c, where a = 12 , b = 167 and c = −218
For any two sets A and B, prove by using of properties of sets that (A∪B)−A=B−A, Also, verify this result by taking example.