if x²+1/x²=102,then x-1/x=?
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Step-by-step explanation:
( x² + 1 ) / x² = 102
x² + 1 = 102x²
1 = 101 x²
x² = 1 / 101
x = (1 / √101)
x-1/x = [ ( 1 - √101 ) / √101 ] = ( √101 - 101 ) / 101
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