Page 9 - Presentasi Matematika Bilangan Prima Berwarna Estetik
P. 9
1+3+5+7+...+(2k+1)-1)=(1+3+5+7+...+(2k-1))+(2(k+1)-1)
=k^2+(2k+2-1)
=k^2+2k+1
=(k+1)^2
