Question

Calculati(clasa a VIII)
$\frac{2 \times \sqrt{3} }{2 \times \sqrt{3} - 3}$
​

Answer 1

Explicație pas cu pas:

$\dfrac{2 \times \sqrt{3} }{2 \times \sqrt{3} - 3} = \dfrac{2 \sqrt{3}(2 \sqrt{3} + 3) }{(2 \sqrt{3} - 3)(2 \sqrt{3} + 3)} = \\ = \dfrac{12 + 6\sqrt{3}}{12 - 9} = \dfrac{6(2 + \sqrt{3})}{3} = 2(2 + \sqrt{3})$