N nic_pham New member Joined Oct 7, 2005 Messages 3 Oct 7, 2005 #1 Find the area of the largest rectangle that has its base on the x-axis and its other two vetices above the x-axis and lying on the parabola y=r-x^2
Find the area of the largest rectangle that has its base on the x-axis and its other two vetices above the x-axis and lying on the parabola y=r-x^2
tkhunny Moderator Staff member Joined Apr 12, 2005 Messages 11,325 Oct 7, 2005 #2 Find the vertices Width = 2*x Heigth = r - x<sup>2</sup> Area = (2*x)*(r - x<sup>2</sup>) = 2*x*r - 2*x<sup>3</sup> Now what?
Find the vertices Width = 2*x Heigth = r - x<sup>2</sup> Area = (2*x)*(r - x<sup>2</sup>) = 2*x*r - 2*x<sup>3</sup> Now what?
