If x-1/x = 3 find +1/
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Step-by-step explanation:
x-1/x= 3.
on squarei g both side
(x-1/x)²=3²
x²+1/x²-2•x•1/x=9
x²+1/x²-2=9
x²+1/x²=11
on squareing both side
(x²+1/x²)²=11²
x⁴+1/x⁴+2•x²•1/x²= 121
x⁴+1/x⁴+2=121
x⁴+1/x⁴= 119
#666
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