SOLUTION: use mathematical induction to ptove the position of Pn. 2+4+6+. . . +2n=n^2+n

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Question 1114513: use mathematical induction to ptove the position of Pn.
2+4+6+. . . +2n=n^2+n

Answer by ikleyn(52803)   (Show Source): You can put this solution on YOUR website!
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    - Mathematical induction and arithmetic progressions
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