CALC BC UNIT 6 FORMULAS
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7 Terms
1
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scalar multiple property
∑kai= k∑ai
2
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sum property
∑(ai+bi)= ∑ai+∑bi
3
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difference property
∑ai-bi=∑ai-∑bi
4
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summation formula for c
∑c=cn
5
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summation formula i
∑i= n(n+1)/2
6
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summation formula i²
∑i²= n(n+1)(2n+1)/6
7
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summation formula i³
∑i³= n²(n+1)/4
Note 
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