The sum of n terms of an AP is 2n^2. Find the 10th term

Sezal Kc's image
Sezal Kc
Dec. 1, 2018, 3:07 p.m.

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shaan kapoor's image
shaan kapoor
Dec. 1, 2018, 5:53 p.m.

2a+9d = 40

 

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