Question

plz answe rthe question asap plz

Answer 1

Answer:

x^2 + (1/x)^2 = 34

Step-by-step explanation:

x = 3 + √8

x + 1/x = (3+√8) + 1/ =( 9 + 8 + 6√8 + 1)/(3+√8)

= (18 +6√8)/(3+√8)

6*(3+√8)/(3+√8) = 6

therefore ,

(x + 1/x)^2 = x^2 + (1/x)^2 + 2 x × 1/x

(6)^2 =  x^2 + (1/x)^2 +2

36 -2 = x^2 + (1/x)^2

x^2 + (1/x)^2 = 34