مشتق تابع $f\left( x \right)=-\frac{۳}{x}$ و $g\left( x \right)=\frac{۲}{x}$ کدام است؟
1 ${f}'\left( x \right)=-\frac{۳}{{{x}^{۲}}}$ و ${g}'\left( x \right)=\frac{۲}{{{x}^{۲}}}$
2 ${f}'\left( x \right)=\frac{۳}{{{x}^{۲}}}$ و ${g}'\left( x \right)=-\frac{۲}{{{x}^{۲}}}$
3 ${f}'\left( x \right)=\frac{۱}{{{x}^{۲}}}$ و ${g}'\left( x \right)=\frac{-۱}{{{x}^{۲}}}$
4 ${f}'\left( x \right)=-\frac{۳}{{{x}^{۳}}}$ و ${g}'\left( x \right)=\frac{۲}{{{x}^{۲}}}$