Question

$7 + 4 \sqrt{3}$
find the value of
$x \frac{1}{x}$
​

Answer 1

rationalize 7+4√3 to get 7-4√3 as

$\binom{1}{x}$

x * 1/x -->

(7+4✓3)(7-4√3)

a²-b²

49-48

1 is the answer