Squares in arithmetic progression(Fermat)

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Tahmid Hasan
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Squares in arithmetic progression(Fermat)

Unread post by Tahmid Hasan » Wed Apr 18, 2012 10:57 pm

Prove that four consecutive terms in an arithmetic progression cannot all be squares.
বড় ভালবাসি তোমায়,মা
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Nadim Ul Abrar
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Re: Squares in arithmetic progression(Fermat)

Unread post by Nadim Ul Abrar » Thu Apr 19, 2012 1:11 pm

What about an AP with common difference 0?
http://wiki.answers.com/Q/Can_zero_be_t ... rogression
$\frac{1}{0}$
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shehab ahmed
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Re: Squares in arithmetic progression(Fermat)

Unread post by shehab ahmed » Thu Apr 19, 2012 1:58 pm

You should assume that the difference is not zero.Otherwise,the problem doesn't remain a problem.
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