Series Flashcards by Gabriel Knight | Brainscape

Q

Formula for r=1 to n of 1:

A

n

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Q

Formula of r=1 to n of r:

A

1/2n(n+1)

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Q

Formula of r=1 to n of r^2:

A

1/6n(n+1)(2n+1)

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Q

Formula of r=1 to n of r^3:

A

1/4(n^2)(n+1)^2

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