(11^2 + 12^2 + 13^2 + ... + 20^2) = ?

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Q 1442323233.     (11^2 + 12^2 + 13^2 + ... + 20^2) = ?
A

385

B

2485

C

2870

D

3255

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Solution
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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