Сократите дробь \(\frac{4a^2-4a\sqrt{3b}+3b}{2a \sqrt{b}-b\sqrt{3}}\) .

• \(\frac{2a\sqrt{b}- b\sqrt{3}}{b}\)
• \(\frac{(2a-\sqrt{3b})^2}{\sqrt{b}}\)
• \(\frac{2a+\sqrt{3b}}{b}\)