Does anybody know...?

Question

...another expression that can be used to get the same values as:

4n^2 + 1
_______
2

(4n^2=4nsquared, in case you didn't know)

Answer 1

(4n)(4n)+1
__________
2

Answer 2

first answer
(4n^2 + 1) can also be expanded as

(4n+1)^2 - (2*4n*1)

it is like a^2+ b^2=(a+b)^2 - 2ab

so we can say that;
4n^2 + 1
_______
2
equals to
(4n+1)^2 - (2*4n*1)
_______________
2

second answer
it also equals to 8n +1/2

Answer 3

4n^2 + 1
____ _____
2 2


(It doesn't show when I post it, but you separate the equation (4n^2 +1) and put each part over 2