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Question

Difficulty Level:

Medium

MCQ

Consider the sum $4+25+64+121$ . Which expression is equal to the above sum?

Select all that apply :

$\sum_{i=0}^3(3 i+2)^2$

$\sum_{i=0}^3 (3 i+1)^2$

$\sum_{i=0}^3(i^2+2 i+4)$

None of the above

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