Question

Daca radical din 27 supra 12= d supra e, atunci d-e este:

Answer 1

$\frac{ \sqrt{27} }{12} = \frac{d}{e} \implies \: 3 \sqrt{3} e = 12d \\ \implies \: \sqrt{3} e = 4d\implies \: d = \frac{ \sqrt{3}e }{4} \\ \\ \\ \iff \: d -e = \frac{ \sqrt{3}e }{4} - e = \frac{ \sqrt{3}e - 4 e}{4}$