Binomial Theorem, Sequences and Series

Matching exercise

    
Match the items on the right to the items on the left.
Find the sum of 1²+2²+......+ 19²
Find the sum of 5²+10²+15²+......+ 105²
Find the sum of 15²+16²+17²+......+ 28²
Find the sum of 9³+10³+......+ 21³
2470
82775
6699
52065