## vipul92 2 years ago x=sqrt(7+4sqrt3) then (x+(1/x))=?

1. Ahaanomegas

$x + \dfrac {1}{x} = \dfrac {x^2 + 1}{x}$You can use that. Or: You could just do it the regular way. You would do $\dfrac {1}{x} = \dfrac {1}{7+4\sqrt{3}} = \frac {7-4\sqrt{3}}{(7+4\sqrt{3})(7-4\sqrt{3})}.$

2. vipul92

sry frnd but it's become too deficult

3. vipul92

so it is wrong ans.

4

5. vipul92

right ans.

do u know how come it ?

7. vipul92

yes

hehe,, good

9. vipul92

but you looking smart person

sometimes ^^

11. Ahaanomegas

Dude, you have to read everything someone writes. I didn't finish the solution. I only gave a hint.