1.(1) We know that
(a) P(1,1) = 2
(b) P(m+1,n)=P(m,n)+2(m+n)
(c) P(m,n+1)=P(m,n)+2(m+n-1)
Prove or disprove the following formula for any positive integers m and n: P(m,n) = (m+n)(m+n-1) - 2n +2
阿摩線上測驗
登入
阿摩線上測驗
登入