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Question
Difficulty Level:

Medium

MCQ

Consider the sum 4+25+64+1214+25+64+121. Which expression is equal to the above sum?

Select all that apply :

i=03(3i+2)2\sum_{i=0}^3(3 i+2)^2

i=03(3i+1)2 \sum_{i=0}^3 (3 i+1)^2

i=03(i2+2i+4)\sum_{i=0}^3(i^2+2 i+4)

None of the above

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