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#1 2008-10-30 05:43:09

tony123
Member
Registered: 2007-08-03
Posts: 230

a multiple

Prove that the expression


is a multiple of

for all natural numbers

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#2 2008-10-30 06:48:45

JaneFairfax
Member
Registered: 2007-02-23
Posts: 6,868

Re: a multiple

Hint for proof by induction:

Indeed, as you can see, the expression is actually divisible by 26[sup]2[/sup] = 676.
­

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