Yes your anwers is correct.
Your formula can be rewritten as:
Which has derivative:
Proof see: Calculus with polynomials - Wikipedia, the free encyclopedia
With your x, this gives
The gravitational potential energy of the MIR space station, in joules, at a distance of x kilometers from the centre of the Earth, is described by the equation
. Determine the slope of the tangent to the graph at the given value of x.
My answer:
Is this correct?
Yes your anwers is correct.
Your formula can be rewritten as:
Which has derivative:
Proof see: Calculus with polynomials - Wikipedia, the free encyclopedia
With your x, this gives