Question

Verify that (a + b) + c = a+ ( b+ c) by taking. a = -1 b = (-2\ 3) and c = -3/4?

solve it


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Answer 1

By associative property, (a+b)+c=a+(b+c)

$(a + b) + c = a + (b + c) \\ ( - 1 + \frac{ - 2}{3} ) + \frac{ - 3}{4} = - 1 + ( \frac{ - 2}{3} + \frac{ - 3}{4} ) \\ = > \frac{ - 5}{3} + \frac{ - 3}{4} = - 1 + \frac{ - 17}{12} \\ = > \frac{ - 29}{12} = \frac{ - 29}{12 } \\ hence \: proved$

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