verify a+(b+c)=(a+b)+c if a=2 b=-1/2c=-1/4
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Posted by Durgesh Deshmukh 5 years, 6 months ago
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Yogita Ingle 5 years, 6 months ago
a +(b + c) = 1 + [(-1/2) + (-1/4)]
= 1+ [(-2 - 1)/4]
= 1- 3/4
= (4-3)/4
= 1/4 .......... (i)
(a + b)+c = [1+ (-1/2)] + (-1/4)
= 1/2 - 1/4
= (2-1)/4
= 1/4.......... (ii)
From (I) and (ii)
a+(b+c)=(a+b)+c
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