Question

if
$x = 2 + \sqrt{3}$
then find the value of

1)
$x + \frac{1}{x}$
2)
${x}^{2} + \frac{1}{ {x}^{2} }$
3)
${x}^{3} + \frac{1}{ {x}^{3} }$
Please urgent​

Answer 1

Answer:

first we have to rationalize the denominator

Step-by-step explanation:

X = 2+√3

then rationalize that is given by me in the image

Answer 2

Answer:

first we have to rationalize the denominator

Step-by-step explanation

X = 2+√3