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Maths help needed~~ Multiple Choice?

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Maths help needed~~ Multiple Choice?

sum-difference

asked Aug 2, 2014 in ALGEBRA 2 by anonymous

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1 Answer

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Sum of first n natural numbers : .

Sum of first n cubic numbers : .

, where i = 34.

Substitute i = 34.

.

Therefore, .

Option 3 is the correct choice.

answered Aug 2, 2014 by lilly Expert

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