scobalexiimaien scobalexiimaien
  • 19-11-2016
  • Mathematics
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(3+h)^3-27/h
Lim--->0
help pls. ...?

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scme1702
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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