anonymous
  • anonymous
the value of the expression 2 (2 over sideways M over n=0) (n squared +2 to the power of n) is please explain how you got your answer
Trigonometry
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
\[2\sum_{n=0}^{2}(n ^{2}+2^{n})\]
anonymous
  • anonymous
^this is the equation i was trying to write
anonymous
  • anonymous
substitute 0 for n, 1 for n, 2 for n then add the results and multiply by 2 2((0+1) + (1 + 2) + (4 + 4))

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anonymous
  • anonymous
ok thank you so much peachpi
UnkleRhaukus
  • UnkleRhaukus
\[2\sum_{n=0}^{2}(n ^{2}+2^{n})\\ =2\Big[\big(0^2+2^0\big)+\big(1^2+2^1\big)+\big(2^2+2^2\big)\Big]\\ =\]

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