Question

if x = 2+√3 then x²+1/x2​

Answer 1

Answer:

Solution ; x = 2 - √3 ⇒ 1 / x = 1 / 2 - √3 × 2 + √3 / 2 + √3 ⇒ 1 / x = 2 + √3 / 2² ...

Step-by-step explanation:

Answer 2

Answer:

x=2+√3

x^2=(2+√3)^2

4+3+4√3

7+4√3

1/x^2=7-4√3

x^2+1/x^2=7+4√3+7-4√3

14

Step-by-step explanation:

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