Question

solve the second part(first part i have already done)
plzzz give right solution and answer.
if i found any inappropriate answer then i will report your answer / if i found correct answer then i will mark brainliest...♡♡​

Answer 1

Answer:

For 2nd Question = 5^2 + ..... + 12^2 = 620

Answer 2

Answer:

plz mark me brilliant I request you