Question

if x²+1/x²=102,then x-1/x=?​

Answer 1

Answer:

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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