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Use Mathematical Induction to Prove That the Statement Is True 46+57+68++(n+3)(n+5)=n(2n2+27n+115)64 \cdot 6 + 5 \cdot 7 + 6 \cdot 8 + \ldots + ( n + 3 ) ( n + 5 ) = \frac { n \left( 2 n ^ { 2 } + 27 n + 115 \right) } { 6 }

question 115

Essay

Use mathematical induction to prove that the statement is true for every positive integer n.
- 46+57+68++(n+3)(n+5)=n(2n2+27n+115)64 \cdot 6 + 5 \cdot 7 + 6 \cdot 8 + \ldots + ( n + 3 ) ( n + 5 ) = \frac { n \left( 2 n ^ { 2 } + 27 n + 115 \right) } { 6 }


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