Is 1 / 2 –[2 /3 – 3/ 4]=[1 /2 – 2 /3 ]- 3 / 4? Give reason
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No, becuase associative property Is not valid in Subtraction as,
a - ( b - c ) = ( a - b ) - c
a - b + c = a - b - c
c = - c
which is not true
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