Найдите \(\log_{5}{40}\) , если \(\log_{2}{5}=a\)

• \(\frac{a+3}{a}\)
• \(\frac{a-3}{a}\)
• \(a+\frac{1}{a}\)
• \(1+3a\)
• \(3+a\)
• \(\frac{3-a}{a}\)