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10 cards from this deck
Compact & efficient way to express long sums
Sigma notation
ฮฃ\Sigmaฮฃ (sigma)
Below the sigma (i=mi=mi=m)
Above the sigma (nnn)
Expression defining pattern for each term
Takes on each integer value from lower to upper limit
Writing out all individual terms being added together
626262
โk=130k2\sum_{k=1}^{30} k^2โk=130โk2
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