Question

Prove the given by using the principle of mathematical induction for all $n \epsilon N$: $\frac{1}{1.2.3} +\frac{1}{2.3.4} +\frac{1}{3.4.5}+...+ \frac{1}{n(n-1)(n+2)} =\frac{n(n+3)}{4(n+1)(n+2)}$

Answer 1

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