f(n)=n^2+1

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Solution for f(n)=n^2+1 equation: 


Simplifying
f(n) = n2 + 1

Multiply f * n
fn = n2 + 1

Reorder the terms:
fn = 1 + n2

Solving
fn = 1 + n2

Solving for variable 'f'.

Move all terms containing f to the left, all other terms to the right.

Divide each side by 'n'.
f = n-1 + n

Simplifying
f = n-1 + n

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