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FREQUENCY TABLES: MODE, MEDIAN AND MEAN

Elliot O'Leary

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Arithmetic Progressions

Description

These are the important formulas for arithmetic progression for grade 10 cbse students.

Flashcards by Zaid Ciddiqui, updated more than 1 year ago

	Created by Zaid Ciddiqui over 7 years ago

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Resource summary

Question	Answer
Arithmetic 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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