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Let sn be the sum of …

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Let sn be the sum of the first n terms of an AP.if S2n =3n +14n2.then what is the common difference

Posted by Kusum Singh 5 years, 11 months ago

CBSE > Class 10 > Mathematics

3 answers

Suman Chauhan 5 years, 11 months ago

Yuuhhh

Lucifer ? Morningstar? 5 years, 11 months ago

Maybe -56

Kusum Singh 5 years, 11 months ago

Kkkk

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