Question

If the sum of the first n terms of an AP is given by Sn = 3n^2
+ 2n , find the nth term of the
AP

Answer 1

Answer:

Your answer is: 6n-1

Step-by-step explanation:

an=Sn - Sn-1

an=3n²+2n-3(n-1)²-2(n-1)

an=3n²+2n-3n²-3+6n-2n+2

an=6n-1

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