Question

Sum of n terms of an arithmetic sequence is 5n²−4n. The second term of the sequence​

Answer 1

Answer:

-6n ooooooooookkkkkkkkkkkkoooooookkkkkk

Answer 2

Answer:

11

Step-by-step explanation:

Sum of n terms = 5n^2 - 4n

So, Sum of 2 terms= 5(2)^2-4(2)= 5*4-8=20-8= 12

and, Sum of 1 term =5(1)^2-4(1)=5*1-4*1=5-4=1

Therefore 2nd term=12-1=11

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