Eroxl's Notes
Double Integrals (Practice)

Problem 1

For each of the following, evaluate the given double integral without using iteration. Instead, interpret the integral as, for example, an area or a volume.

(a).

(b).

(c).

Problem 2

Let . Evaluate

(a).

(b).

(c).

(d).

Problem 3

For each of the following, evaluate the given double integral using iteration.

(a). Where is the Rectangle where and

(b). Where is the Triangle with Vertices

(c). Where is the Finite Region in the First Quadrant Bounded by the Curves and

(d). Where is the Finite Region in the First Quadrant Bounded by the Coordinate Axes and the Curve

(e). Where is the Region

Problem 4

For each of the following integrals (i) sketch the region of integration, (ii) write an equivalent double integral with the order of integration reversed and (iii) evaluate both double integrals.

(a).

Y axisX axis000.50.5111.51.52255Expression 1Expression 2

(b).

Y axisX axis00-2-2-1-1112211Expression 2Expression 3Expression 4Expression 5Expression 6

Problem 5

Combine the sum of the two iterated double integrals

into a single iterated double integral with the order of integration reversed.

Problem 6

Consider the integral

(a). Sketch the Domain of Integration

Y axisX axis00-2-2-1-1112211Expression 1Expression 2

(b). Evaluate the Integral by Reversing the order of Integration

Problem 17

Consider Combine the Sum of the Iterated Integrals into a Single Iterated Integral with the order of Integration Reversed

Y axisX axis00-1-1-0.5-0.50.50.5111.51.5222244Expression 1Expression 2

Problem 18

Let

(a). Sketch the Domain of Integration

Y axisX axis000.50.5111.51.5222.52.5332244Expression 1

(b). Reverse the order of Integration

(c). Evaluate the Integral for