Please help me solve this.

Question

Find the particular antiderivative that satisfies the following conditions:

p'(x) = -40/x^2 ; p(5)=4

p(x)= ?

Answer 1

The derivative of x^-1 = -x^-2

This should allow you to get the antiderivative.

Use the initial condition p(5)=4 to evaluate the constant of integration.