   Chapter 6.3, Problem 12E ### Calculus: An Applied Approach (Min...

10th Edition
Ron Larson
ISBN: 9781305860919

#### Solutions

Chapter
Section ### Calculus: An Applied Approach (Min...

10th Edition
Ron Larson
ISBN: 9781305860919
Textbook Problem
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# Using the Trapezoidal Rule and Simpson’s Rule In Exercises 11-20, approximate the value of the definite integral using (a) the Trapezoidal Rule and (b) Simpson's Rule for the indicated value of n. Round your answers to three decimal places. See Examples 1 and 2. ∫ 0 4 8 x 2 + 3 d x , n = 4

(a)

To determine

To calculate: The value of the integral 048x2+3dx,n=4 by using the Trapezoidal Rule and to approximate the value of the definite integral for the indicated value of n. Round your answers to four decimal places.

Explanation

Given Information:

The definite integral is 048x2+3dx,n=4

Formula used:

Trapezoidal Rule:

If a function f is continuous on [a,b], then

abf(x)dx(ba2n)[f(x0)+2f(x0)+...+2f(xn1)+f(xn)]

Calculation:

Calculation by Trapezoidal Rule:

Consider the definite integral 048x2+3dx,n=4.

When n=4, the width of each subinterval is

404=44=1

And the end points of subintervals are

x0=0,x1=1,x2=1+1=2,x3=2+1=3,x4=3+1=4

Thus get the graph for the function,

(b)

To determine

To calculate: The value of the integral 048x2+3dx,n=4 by using the Simpson’s Rule and to approximate the value of the definite integral for the indicated value of n. Round your answers to four decimal places.

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