Prove that [1/(1x2) ]+[1/(2x3)]+...+ [1/( n(n+1) )] = n/n+1 using mathematical induction





some other problems on mathematical induction

proof of n^2 < 2^n for every integer n>=5     -----> (mathematical induction problem)

proof of 1^3 +2^3 + 3^3 +...+ n^3 = [ ( n (n+1) ) /2 ] ^2  -----> (mathematical induction problem)


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