Question

观察下列式子：① 2×4+1=9；② 4×6+1=25；③ 6×8+1=49；……；请你写出第n个等式：？用含n的代数式表示

Answer 1

2n×(2n+2)+1=(2n+1)²

Answer 2

2n(2n+2)+1=(2n+1)^2

Answer 3

(2n+1)^2=1+2n*(2n+2)