Question

In an AP the sum of first n terms is given by4n-n^ then find the second term​

Answer 1

Answer:

Sn=4n-n^2

S1=a1=4-1=3

S2=4×2-(2)^2=8-4=4

a2=S2-S1=4-3=1

Answer 2

Answer:

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Step-by-step explanation:

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