MathDB
Today's calculation of Integral 291

Source: 2008 Sophia University entrance exam/Psychology

February 7, 2008
calculusintegrationconicsparabolaanalytic geometrygraphing linesslope

Problem Statement

Consider the parabola C: y \equal{} x^2 in the x \minus{} y plane. Let l1 l_1 be the tangent line of C C with slope 3 \sqrt {3} and l2 l_2 be the tangent line of C C with negative slope which makes angle 45 45^\circ with l1 l_1. Find the area bounded by C, l1 C,\ l_1 and l2 l_2.