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5

Σ i ^ (i+2)

i=3

 Jun 14, 2019
edited by ProffesorNobody  Jun 14, 2019
 #1
avatar+9488 
+2

5i=3i(i+2) = 3(3+2)+4(4+2)+5(5+2) 5i=3i(i+2) = 35+46+57 5i=3i(i+2) = 243+4096+78125 5i=3i(i+2) = 82464_

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 Jun 14, 2019
 #2
avatar+24 
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Thank You! :P

ProffesorNobody  Jun 14, 2019

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