Is subtraction associative in rationalnumbers? explain with an example – InterviewSolution

1.

Is subtraction associative in rationalnumbers? explain with an example? Step by step explain for a=1/2,b=3/2,c=5/2.

Answer»

DIVISION and SUBTRACTION are not ASSOCIATIVE in RATIONAL number

example:

a×b×c = (a×b)×c = a×(b×c)

(1/2 - 3/2) - 5/2 = 1/2 - (3/2 - 5/2)

-2/1 - 5/2. =. -2/1 - 1/2

-7/1. =. 1/1

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