MathDB
Today's calculation of Integral 467

Source: 1988 Nihon University entrance exam/Industrial Technology

July 1, 2009
calculusintegrationgeometrygeometric transformationrotationtrigonometrycalculus computations

Problem Statement

Let the curve C: y\equal{}x\sqrt{9\minus{}x^2}\ (x\geq 0). (1) Find the maximum value of y y. (2) Find the area of the figure bounded by the curve C C and the x x axis. (3) Find the volume of the solid generated by rotation of the figure about the y y axis.