CBSE Class 9 Answered
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
Expert Answer
The commutative and associative do not hold for subtraction or division as:
let a= 2, b = 4, c = 6
a - b is not equal to b - a : a - b =2 - 4 = -2 , b-a = 4 - 2 = 2
a 
b is not equal to b a : 
a- (b-c) is not equal to (a-b) - c : a -(b-c) = 2 -(4 -6)= 4 ; (a-b) - c = (2-4) - 6 = -8
is not equal to 
: a (b c) = 3 ; (ab) c =
Answered by | 04 Jun, 2014, 03:23: PM
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