Question

1. Find the sum of the series 11³+12³ +13³ +...+25³​

Answer 1

Answer:

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Answer 2

Answer:

the answer is 105625

Step-by-step explanation:

sum of cubes = {n[n+1]/2}^2

n = 25

{25[25+1]/2}^2

{25 x 26 /2}^2

=105625