If x=5-√21/2 ,find value of *x+1/x (x plus 1by x)*x2 +1/x2 (xsquare plus one by xsquare)

If x=5-√21/2 ,find value of *x+1/x (x plus 1by x)*x2 +1/x2 (xsquare

1.	If x=5-√21/2 ,find value of x+1/x (x plus 1by x)x2 +1/x2 (xsquare plus one by xsquare)
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