Question

find the value of x^2+1/x^2 if x-1/x=root 3​

Answer 1

check the attachment......

Answer 2

Answer:

5

Step-by-step explanation:

$x -\frac{1}{x } =\sqrt{3}$

squaring both sides,

$(x-\frac{1}{x}) ^2 = 3$

$x^2-2(x)(\frac{1}{x} )+\frac{1}{x^2} =3$

$x^2-2+\frac{1}{x^2} =3$

$x^2 + \frac{1}{x^2} =5$

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