Question

x= 1+√2 then find x²+ 1/ x²​

Answer 1

Answer:

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

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Answer 2

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Refer to attachment.

Thank you!

@itzshivani