PQOTD 12/28/09

Two curves, y = px2 and y = qx2 intersect rectangle ABCD at its four corners. Which of the following expressions gives the area of the rectangle? (A) 4 · (p + q) (B) 8 · (p + q) (C) 16 · (p + q) (D) 8 · (p – q) (E) 16 · (p [...]