ConceptSum of First n Terms of an AP

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#### Question

In an AP

Given *a* = 2, *d* = 8, *S*_{n} = 90, find *n *and *a*_{n}.

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#### Reference Material

Solution for question: In an AP Given a = 2, d = 8, Sn = 90, find n and an. concept: Sum of First n Terms of an AP. For the course CBSE