Найти f'\(x\), если f\(x\)= \(\sqrt[8]x\)

• f'\(x\)= \(\frac{1}{8\sqrt[7]x^8}\)
• f'\(x\)= \(-\frac{1}{8\sqrt[8]x^7}\)
• f'\(x\)= \(8\sqrt[7]x\)