Question

if
$if \: x - 1 |x = 8 \: find \: the \: value \: of \: ( {x}^{2} + 1 | {x}^{2} ) \: and( {x}^{4} + 1 | {x}^{4} ).$
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Answer 1

Step-by-step explanation:

x-1/x= 8

squiring both sides we get

x²+1/x²= 66 answer