desirjeanpierre desirjeanpierre

11-02-2017
Mathematics

contestada

Evaluate the expression : 5 a+(4b-c) when a=-2\5 ,b=4\5,c=1\5

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savleen savleen

11-02-2017

5a(4b-c)
=20ab-5ac
verify:20×-2/5×4/5-5×-2/5×1/5
-32/5-2/5
=-34/5ans...

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