Question

If an =n²+1find the 2nd term

Answer 1

Put n=2 and you will get the second term. a2=2^2+1=5

Answer 2

an = n² + 1

if n = 2,

a2 = (2)² + 1

or, a2 = 4 + 1 = 5

The 2nd term is 5.