SOLVED:Verify the given result as follows: Use a computer algebra system first to set up the appropriate Riemann sum, then to simplify the sum, and finally to evaluate its limit as n → ∞∫a^b sinx d x=cosa-cosb.

4.2 Solving Systems Algebraically

(a) The curve with equation 2 y^3 y^2-y^5=x^4-2 x^3 x^2 has been likened to a bouncing wagon. Use a computer algebra system to graph this curve and discover why. (b) At how many points does this curve have horizontal tangent lines? Find the x -coordinates of these points. | Numerade