Prove by principle of mathematical induction that
1 x 2 + 2 x 3 + 3 x 4 +......+ n ( n + 1 ) = n ( n + 1 ) ( n + 2 ) / 3 , for all n E N

Question

Prove by principle of mathematical induction that
1 x 2 + 2 x 3 + 3 x 4 + + n ( n + 1 ) = n ( n + 1 ) ( n + 2 ) / 3 ,
for all n E N

Sneha Apar · Accepted Answer

Dear student, 2020-05-25 png (1029Ã—628)

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