Question

guys I really appreciate your work but I need a lot of help​

Answer 1

Step-by-step explanation:

if an = n^2 + 1

then the first term a1 = 2,

a2= 5,

a3= 10

a4 = 17 ....

as you can notice, common difference is not the same, therefore, an cannot be of n^2 + 1 form