Prove by using the principle of mathematical induction for all n ∈ N:

Question

1.2.3 + 2.3.4 +…+ n(n+1) (n+2) = n(n + 1)(n + 2)(n + 3)/4

Answer 1

Solution for 1.2.3 + 2.3.4 +…+ n(n+1) (n+2) = n(n + 1)(n + 2)(n + 3)/4