If a and b are two whole numbers, then commutative law is applicable on subtraction if and only if _____.
A a = b
B a ≠ b
C a > b
D a < b
Ans 1:
Class : Class 6
If we take a as 4 and b as 2, then according to communicative property, 4-2=2 but 2-4=-2 so 2 and -2 are not equal but, if we take a as 4 and b as 4, then it will be 4-4=0 and 4-4=0. Thus, a should be = b