Question

If x - 1/x= √2 then x² + 1/x² is

Answer 1

Answer:

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Step-by-step explanation:

x+1/x=2

As we know that

(a+b)²=a²+b²+2ab

(x+1/x)²=(2)²

x²+1/x²+2=4

x²+1/x²=4-2

x²+1x²=2

hope this will help you