formula of arithmetic progression for class 10
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Answered by
11
Hey dear
Here is ur answer
an=a+(n-1)d
Sn=n/2a+(n-1)d
Hope it helps u
Have a great day
Here is ur answer
an=a+(n-1)d
Sn=n/2a+(n-1)d
Hope it helps u
Have a great day
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Answered by
8
sum of n terms =n/2(2a+(n-1) d) or n/2(a+l)
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