derivative and equation of the tangent
- Let f be the function defined by f(x) = `-x^2-3`.
- Calculate the derivative of the function f at the point of abscissa 2.
- Deduce an equation of the tangent to the curve representing the function f at the point of abscissa 2.
This type of exercise can be solved using the function : equation_tangent_line
Course reminder : Real functions