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n - is a variable which represents a whole number
Rule Example
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n E k k = n(n+1) k = 1 2 |
5 E k k = 5(5+1) = 15 k = 1 2 |
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n E k² k = n(n+1)(2n+1) k = 1 6 |
6 E k²
k = k = 1
|
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n E k³ k = ((n(n+1))/2)² k = 1n |
4 E k³ k = ((4(5))/2)² = 100 k = 1 |
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n E C k = C*n k = 1 |
5 E 4 k = 4*5 = 20 k =1 |
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