# Derivatives

All new and solved questions in Derivatives category

##### How do you find f'(4) if f(x)=2sqrt(2x)?
How do you find f'(4) if f(x)=2sqrt(2x)?...
##### How you you find the derivative f(x)=x^2 using First Principles?
How you you find the derivative f(x)=x^2 using First Principles?...
##### What is the derivative of a unit vector?
What is the derivative of a unit vector?...
##### How do you find the partial derivative of the function f(x,y)=intcos(-7t^2-6t-1)dt?
How do you find the partial derivative of the function f(x,y)=intcos(-7t^2-6t-1)dt?...
##### For what values of x is the function f(x)=abs(x^2-9) differentiable?
For what values of x is the function f(x)=abs(x^2-9) differentiable?...