Question

For the series find the first and last term....picture below! help

Answer 1

@ganeshie8 can you help please?

Answer 2

\[\frac{ n(n+1) }{ 2 } + 4n\]

Answer 3

put n=5 and u will get the answer i.e 35

Answer 4

i got 35 but i dont know how to get the first term

Answer 5

its 5

Answer 6

general term is n+4

Answer 7

so what would n equal if i am trying to find the last term it only gives me 8 and 9 as the two options (ie. 5,8 or 5,9)

Answer 8

9