give an example to prove that integers don't satisfy the associative property under subtraction
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associative property of subtraction is a - (b - c) is not equal to ( a-b )-c.
so,
If a = 20
b = - 10
c = 5
Then ...
LHS = 20 - (- 10 -5 )
= 20 - ( - 15 )
= 20 + 15
= 35
RHS = {20-(-10)} - 5
= (20 + 10) - 5
= 30 - 5
= 25
Here LHS IS NOT EQUAL TO RHS
HENCE,proved
so,
If a = 20
b = - 10
c = 5
Then ...
LHS = 20 - (- 10 -5 )
= 20 - ( - 15 )
= 20 + 15
= 35
RHS = {20-(-10)} - 5
= (20 + 10) - 5
= 30 - 5
= 25
Here LHS IS NOT EQUAL TO RHS
HENCE,proved
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