scobalexiimaien scobalexiimaien

19-11-2016
Mathematics

contestada

(3+h)^3-27/h
Lim--->0
help pls. ...?

Respuesta :

scme1702 scme1702

21-11-2016

[(3 + h)³ - 27]/h
= (27 + 27h + 9h² + h³ - 27) /h
= h(h² + 9h + 27)/h
= h² + 9h + 27
h → 0
= 0 + 0 + 27
= 27

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