Ifx-1/X=9 find the value of xsqure4 plus 1/xsqure4
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Answer:
x-1/x=9
(x-1/x)²=9²
x²+1/x²-2=81
x²+1/x²=83
(x²+1/x²)²=83²
x⁴+1/x⁴+2=6889
x⁴+1/x⁴=6887
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