E
Editor
Sep 18, 2022
For $n\geq -2$, 1+3+5+.....+(2n+5)=
Difficulty: Easy
A:
$(n+2)^{2}$
B:
$(n-2)^{2}$
C:
2n+1
D:
$(n+3)^{2}$
Report issue
ID: 63273db9ca83163ac3a11673