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Review: Arithmetic Series a+(a+d)+(a+2d)+...+(a+(n-1)d)=

1 ViewNov 11, 2023

= 1) 1/2 n(2a+(n-1)d) = 2) 1/2 n(a+l) where l=a+(n-1)d & special cases 3) special cases ....
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