Question

if x-1/6=√6 than x2+1/x2 (A)2 (B)4 (C)6 (D)8​

Answer 1

Step-by-step explanation:

x-1/6=\sqrt{6} then x =1/6+\sqrt{6}

x^2+1/x^2 therefor x^2 = (1/6+\sqrt{6} )^2 =18 (36=\sqrt{6} )

therfore 18+1/18 =12....