x²– (a/b +b/a ) x + 1
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Step-by-step explanation:
Answer:
-1/x^2
Step-by-step explanation:
(x+1/x) (x-1/x)
(x^2 - 1^2)/x^2
so we can write it
x^2/x^2-1/x^2
x^2 to x^2 cut so
Answer = -1 /x^2
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