If x=9-4root 5 ,find the value of (xx squre +1/x squre)
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Given
X=9-4root5
1/X=9+4root5
(X+1/x)square= x square +1/x square+2
18*18=required value+2
Value=322
X=9-4root5
1/X=9+4root5
(X+1/x)square= x square +1/x square+2
18*18=required value+2
Value=322
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