Question

The sum of n terms of an AP is 2 n square + n . Then 8 th term of the AP is

Answer 1

Answer:

31.

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Step-by-step explanation:

Answer 2

Answer -

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• if sum of n terms of an ap is 2n 2 5n then find its nth term ... n=2 to get the sum of first two terms = 2x4 + 5x 2= 8 + 10.

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