Math, asked by anshumapeter, 11 months ago

how to find n in (vi) question

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mustak98: answer pta nhi

Answers

Answered by patelzeel3837

1

Step-by-step explanation:

a=8

Sn =n/2(T1+Tn)

210=n/2(8+62)

210×2/70=n

n=6

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patelzeel3837: welcome

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