Math, asked by syedsameee, 7 months ago

formula of arthmatic progession

Answers

Answered by Arjun010

1

Step-by-step explanation:

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Answered by janvijan8

2

Answer:

Formula of airthmetic progression is

a, a+d, a+2d

an=a+(n-1)d

S=n/2(2a+(n-1)d

S=n/2(a+l)

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