Worked example: arithmetic series recursive formula (Hindi)

From the creator

Anmol evaluates the sum of the first 650 terms in the sequence defined recursively as {aᵢ=aᵢ₋₁+11, a₁=4}. He does that by finding the 650th term and using the arithmetic series formula (a+l)*n/2.

Published 2018-02-03 · Watch on YouTube ↗
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