Pk=1+6+11+.+(5(K-1)-4)+(5K-4)求Pk+1
问题描述:
Pk=1+6+11+.+(5(K-1)-4)+(5K-4)
求Pk+1
答
Pk+1=1+6+11+.+(5(K-1)-4)+(5K-4)+1
P(k+1)=1+6+11+.+(5K-4)+(5K+1)+1