Use summation formulas to evaluate the sum 4k 19k 7 26 O 4K

Last updated: 4/27/2023

Use summation formulas to evaluate the sum 4k 19k 7 26 O 4K 19k 7 31480 k 1 O 26 O 4K 19k 7 18317 26 O 4K 19k 7 18142 k 1 4k 19k 7 31655 X 1