if x is equal to 9 minus 4 under root 5 find x squared plus one upon x square
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x=9-4under root 5
find:x^2+1/x^2
(9-4under root 5)^2+1/(9-4under root 5)
81+80-72under root 5+1/81+80-72under root 5
find:x^2+1/x^2
(9-4under root 5)^2+1/(9-4under root 5)
81+80-72under root 5+1/81+80-72under root 5
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