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Use Mathematical Induction to Prove the Formula for Every Positive 7+10+13+16+K+(3n+4)=n2(3n+11)7 + 10 + 13 + 16 + \mathrm { K } + ( 3 n + 4 ) = \frac { n } { 2 } ( 3 n + 11 )

Question 19

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Use mathematical induction to prove the formula for every positive integer n. Show all your work. 7+10+13+16+K+(3n+4)=n2(3n+11)7 + 10 + 13 + 16 + \mathrm { K } + ( 3 n + 4 ) = \frac { n } { 2 } ( 3 n + 11 )

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1) When n = 1, blured image . The formula ...

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