Найдите f'\(x\), если \(f(x)=2x^3-x^2+4x-2\)

• \(f'(x)=6x^2-2x+4\)
• \(f'(x)=5x^2-2x+4\)
• \(f'(x)=6x^2-x+4\)
• \(f'(x)=6x^2-2x-2\)