Karteikarten
Arithmetic Progressions
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- 1Arithmetic progressions> nth term from starting: a+(n-1)d
> nth term from last: l-(n-1)d
> d = Tn-a/n-1
>Sn = n/2[2a+(n-1)d]
>Sn = n/2[a+l]
> Sum of the first natural numbers: n(n+1)/2
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- Beschreibung
- These are the important formulas for arithmetic progression for grade 10 cbse students.
- Erstellt von
- Zaid Ciddiqui · Feb 2018
- Aktualisiert
- 6 Feb 2018
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- 23
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