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January 27, 2015

January 27, 2015

Posted by **tuhituhi** on Monday, April 22, 2013 at 10:37am.

- maths -
**Steve**, Monday, April 22, 2013 at 2:19pma = 3+2√2

a^2 = 9 + 12√2 + 8 = 17+12√2

1/a^2 = (17-12√2)/(289-288) = 17-12√2

a^2 + 1/a^2 = 34

- maths -
**Steve**, Monday, April 22, 2013 at 2:20pmsorry I didn't see the minus sign. But it's easy to fix. What do you get?

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