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Anutter Li'l proof thing

Posted by Denis Borris on 28/6/2009, 7:00 pm, in reply to "Re: Li'l proof thing"

A tuffer one: a,b,c are non-zero real numbers, all different. a(a+1) - 7/a = b(b+1) - 7/b = c(c+1) - 7/c. Show that the sum of a,b,c is -1 and find the product.

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Message Thread: Li'l proof thing - Denis Borris 28/6/2009, 2:25 pm Re: Li'l proof thing - markr 28/6/2009, 5:46 pm Re: Li'l proof thing - Denis Borris 28/6/2009, 6:51 pm Anutter Li'l proof thing - Denis Borris 28/6/2009, 7:00 pm I thought this was easier... - markr 28/6/2009, 7:57 pm Yepper! - Denis Borris 28/6/2009, 9:32 pm « Back to thread

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