Question

Any formula for
1^n+2^n+...+n^n and
a^1+a^2+...+a^n <- not geometric series

Answer 1

@Luis_Rivera @Hero

Answer 2

@mathstudent55 @tcarroll010

Answer 3

you can derive the answer yourself the same way you derive a geometric series

Answer 4

you will get a different result from G.S

Answer 5

in this case you multiply a factor by the power

Answer 6

another method is to right the series then take the derivative in the to form another series

Answer 7

then subtract them

Answer 8

Hint: in this case you need to use the the D-operator ok

Answer 9

can you show the proof please :D

Answer 10

ok after am done with the other user, my pleasure

Answer 11

i got the geo series, but i confused about the top one :\