Question

if x=√2+1 find the value of x^2+1/x^2​

Answer 1

Step-by-step explanation:

X = √2+1 = √3

A/q, x^2+1/x^2

√3^2+1/√3^2

√3x√3+1/√3x√3

3+1/3

4/3

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Answer 2

Answer:

6

Step-by-step explanation:

2+1 +( 2 root 2) + 2+1 -( 2 root 2)

= 6