select the sum of the series.

Question

∑ is the symbol with a '5' coming off the top line and 'k=1^k^2' coming off the bottom line.

Answer 1

If you are trying to find the sum from k=1 to 5 of k^2 this is 

 

1^2 + 2^2 + 3^2 + 4^2 + 5^2 = 

 

1 + 4 + 9 + 16 + 25 = 55