jennystaaar jennystaaar
  • 04-04-2017
  • Mathematics
contestada

What is the coefficient of n^2 in the sum of -5^4+4n^2-n+5 and 7n^4-5n^3-9n^2+3n+2

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ghanami
ghanami ghanami
  • 04-04-2017
hello :
-5^4+4n^2-n+5  : the coefficient of n^2 is : 4
 7n^4-5n^3-9n^2+3n+2 : he coefficient of n^2 is :-9
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