Question

If the sum of n terms of an A.P be 3n² + n and it's common difference is 6 , then it's first term is___?

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Answer 1

Answer:

first term equals to S1 =3×1^2+1=4

Step-by-step explanation:

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Answer 2

First term equals to S1 = 3×1^2+1=4

Hope It Helps uhh~

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