5th Edition

ISBN: 9780321796943

Author: BRETSCHER, Otto.

Publisher: Pearson Education

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Have you ever observed the movement of the satellites and rockets or how the planets go around the sun in their orbits? How will you determine their motion? Definitely they follow some scientific laws and these kinds of problems are framed as differentia…

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Chapter 1.1, Problem 38E

Find the function f ( t ) of the form f ( t ) = a cos ( 2 t ) + b sin ( 2 t ) such that f ″ ( t ) + 2 f ′ ( t ) + 3 f ( t ) = 17 cos ( 2 t ) .(This is the kind of differential equation youmight haveto solve when dealing with forced dampedoscillators,in physics or engineering.)

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Chapter 1.1, Problem 37E

Chapter 1.1, Problem 39E

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Chapter 1 Solutions

Linear Algebra With Applications

Ch. 1.1 - In Exercises 11 through 13,find all solutions of...Ch. 1.1 - In Exercises 11 through 13, find all solutions of...Ch. 1.1 - In Exercises 11 through 13, find all solutions of...Ch. 1.1 - In Exercises 14 through 16,find all solutions of...Ch. 1.1 - In Exercises 14 through 16, find all solutions of...Ch. 1.1 - In Exercises 14 through 16, find all solutions of...Ch. 1.1 - Find all solutions of the linear system | x+2y=a...Ch. 1.1 - Find all solutions of the linear system...Ch. 1.1 - Consider the linear system...Ch. 1.1 - Consider the linear system |x+yz=2x+2y+z=3x+y+( k...Ch. 1.1 - The sums of any two of three real numbers are 24,...Ch. 1.1 - Emile and Gertrude are brother and sister. Emile...Ch. 1.1 - Consider a two-commodity market. When the...Ch. 1.1 - The Russian-born U.S. economist and Nobel laureate...Ch. 1.1 - Find the outputs a andb needed to satisfy the...Ch. 1.1 - Consider the differential equation...Ch. 1.1 - Find all solutions of the system |7xy=x6x+8y=y| ,...Ch. 1.1 - On a sunny summer day, you are taking the...Ch. 1.1 - On your next trip to Switzerland, you should take...Ch. 1.1 - In a grid of wires, the temperature at exterior...Ch. 1.1 - Find the polynomial of degree 2 [a polynomial of...Ch. 1.1 - Find a polynomial of degree 2 [of the form...Ch. 1.1 - Find all the polynomials f(t) of degree 2 [of the...Ch. 1.1 - Find all the polynomials f(t) of degree 2 [of the...Ch. 1.1 - Find all the polynomials f(t) of degree 2 [of the...Ch. 1.1 - Find all the polynomials f(t) of degree 2 [of the...Ch. 1.1 - Find the function f(t) of the form f(t)=ae3t+be2t...Ch. 1.1 - Find the function f(t) of the form...Ch. 1.1 - Prob. 39E Ch. 1.1 - Find the ellipse centered at the origin that runs...Ch. 1.1 - Find all points (a,b,c) in space for which the...Ch. 1.1 - Linear systems are particularly easy to solve when...Ch. 1.1 - Consider the linear system |x+y=1x+ t 2y=t| ,...Ch. 1.1 - Find a system of linear equations with three...Ch. 1.1 - Find a system of linear equations with three...Ch. 1.1 - Boris and Marina are shopping for chocolate bars....Ch. 1.1 - Here is another method to solve a system of linear...Ch. 1.1 - A hermit eats only two kinds of food: brown rice...Ch. 1.1 - I have 32 bills in my wallet, in the denominations...Ch. 1.1 - Some parking meters in Milan, Italy, accept coins...Ch. 1.2 - GOAL Use Gauss-Jordan elimination to solve linear...Ch. 1.2 - GOAL Use Gauss-Jordan elimination to solve linear...Ch. 1.2 - GOAL Use Gauss-Jordan elimination to solve linear...Ch. 1.2 - GOAL Use Gauss-Jordan elimination to solve linear...Ch. 1.2 - GOAL Use Gauss-Jordan elimination to solve linear...Ch. 1.2 - GOAL Use Gauss-Jordan elimination to solve linear...Ch. 1.2 - GOAL Use Gauss-Jordan elimination to solve linear...Ch. 1.2 - GOAL Use Gauss-Jordan elimination to solve linear...Ch. 1.2 - GOAL Use Gauss-Jordan elimination to solve linear...Ch. 1.2 - GOAL Use Gauss-Jordan elimination to solve linear...Ch. 1.2 - GOAL Use Gauss-Jordan elimination to solve linear...Ch. 1.2 - GOAL Use Gauss-Jordan elimination to solve linear...Ch. 1.2 - Solve the linear systems in Exercises 13 through...Ch. 1.2 - Solve the linear systems in Exercises 13 through...Ch. 1.2 - Solve the linear systems in Exercises 13 through...Ch. 1.2 - Prob. 16E Ch. 1.2 - Solve the linear systems in Exercises 13 through...Ch. 1.2 - Determine which of the matrices below are in...Ch. 1.2 - Find all 41 matrices in reduced row-echelon form.Ch. 1.2 - For which values of a, b, c, d, and e is the...Ch. 1.2 - For which values of a, b, c, d, and e is the...Ch. 1.2 - We say that two nm matrices in reduced...Ch. 1.2 - How many types of 32 matrices in reduced...Ch. 1.2 - How many types of 23 matrices in reduced...Ch. 1.2 - Prob. 25E Ch. 1.2 - Suppose matrix A is transformed into matrix B...Ch. 1.2 - Prob. 27E Ch. 1.2 - Consider an nm in matrix A. Can you transform...Ch. 1.2 - Prob. 29E Ch. 1.2 - Suppose you subtract a multiple of an equation in...Ch. 1.2 - Balancing a chemical reaction. Consider the...Ch. 1.2 - Find the polynomial of degree 3 [a polynomial of...Ch. 1.2 - Find the polynomial of degree 4 whose graph...Ch. 1.2 - Cubic splines. Suppose you are in charge of the...Ch. 1.2 - Find the polynomial f(t) of degree 3 such that...Ch. 1.2 - The dot product of two vectors x=[ x 1 x 2 x n]...Ch. 1.2 - Find all vectors in 4 that are perpendicular to...Ch. 1.2 - Find all solutions x1,x2,x3 of the equation...Ch. 1.2 - Prob. 39E Ch. 1.2 - If we consider more than three industries in an...Ch. 1.2 - Consider the economy of Israel in 1958.11 The...Ch. 1.2 - Prob. 42E Ch. 1.2 - Prob. 43E Ch. 1.2 - The accompanying sketch represents a maze of...Ch. 1.2 - Let S(t) be the length of the tth day of the year...Ch. 1.2 - Prob. 46E Ch. 1.2 - Consider the equations...Ch. 1.2 - Consider the equations |y+2kz=0x+2y+6z=2kx+2z=1| ,...Ch. 1.2 - a. Find all solutions x1,x2,x3,x4 of the system...Ch. 1.2 - For an arbitrary positive integer n3 , find all...Ch. 1.2 - Prob. 51E Ch. 1.2 - Find all the polynomials f(t) of degree 3 such...Ch. 1.2 - Prob. 53E Ch. 1.2 - Prob. 54E Ch. 1.2 - Prob. 55E Ch. 1.2 - Prob. 56E Ch. 1.2 - Prob. 57E Ch. 1.2 - Prob. 58E Ch. 1.2 - Prob. 59E Ch. 1.2 - Prob. 60E Ch. 1.2 - Prob. 61E Ch. 1.2 - Prob. 62E Ch. 1.2 - Students are buying books for the new semester....Ch. 1.2 - Prob. 64E Ch. 1.2 - At the beginning of a political science class at a...Ch. 1.2 - Prob. 66E Ch. 1.2 - Prob. 67E Ch. 1.2 - Prob. 68E Ch. 1.2 - Prob. 69E Ch. 1.2 - Prob. 70E Ch. 1.2 - Prob. 71E Ch. 1.2 - Prob. 72E Ch. 1.2 - Pigeons are sold at the rate of 5 for 3 panas,...Ch. 1.2 - Prob. 74E Ch. 1.2 - Prob. 75E Ch. 1.2 - Prob. 76E Ch. 1.2 - Prob. 77E Ch. 1.2 - Prob. 78E Ch. 1.2 - Prob. 79E Ch. 1.2 - Prob. 80E Ch. 1.3 - GOAL Use the reduced row-echelon form of the...Ch. 1.3 - Find the rank of the matrices in Exercises 2...Ch. 1.3 - Find the rank of the matrices in Exercises 2...Ch. 1.3 - Find the rank of the matrices in Exercises 2...Ch. 1.3 - a. Write the system |x+2y=73x+y=11| in vector...Ch. 1.3 - Consider the vectors v1,v2,v3 in 2 (sketched in...Ch. 1.3 - Consider the vectors v1,v2,v3 in 2 shown in the...Ch. 1.3 - Consider the vectors v1,v2,v3,v4 in 2 shown in...Ch. 1.3 - Write the system |x+2y+3z=14x+5y+6z=47x+8y+9z=9|...Ch. 1.3 - Compute the dot products in Exercises 10 through...Ch. 1.3 - Compute the dot products in Exercises 10 through...Ch. 1.3 - Compute the dot products in Exercises 10 through...Ch. 1.3 - Compute the products Axin Exercises 13 through 15...Ch. 1.3 - Compute the products Axin Exercises 13 through 15...Ch. 1.3 - Compute the products Axin Exercises 13 through 15...Ch. 1.3 - Compute the products Axin Exercises 16 through 19...Ch. 1.3 - Compute the products Axin Exercises 16 through 19...Ch. 1.3 - Compute the products Axin Exercises 16 through 19...Ch. 1.3 - Compute the products Axin Exercises 16 through 19...Ch. 1.3 - a. Find [234567]+[753101] . b. Find 9[112345] .Ch. 1.3 - Use technology to compute the product...Ch. 1.3 - Consider a linear system of three equations with...Ch. 1.3 - Consider a linear system of four equations with...Ch. 1.3 - Let A be a 44 matrix, and let b and c be two...Ch. 1.3 - Let A be a 44 matrix, and let b and c be two...Ch. 1.3 - Let A be a 43 matrix, and let b and c be two...Ch. 1.3 - If the rank of a 44 matrix A is 4, what is...Ch. 1.3 - If the rank of a 53 matrix A is 3, what is...Ch. 1.3 - In Problems 29 through 32, let x=[539]andy=[201]....Ch. 1.3 - In Problems 29 through 32, let x=[539]andy=[201]....Ch. 1.3 - In Problems 29 through 32, let x=[539]andy=[201]....Ch. 1.3 - In Problems 29 through 32, let x=[539]andy=[201]....Ch. 1.3 - Let A be the nn matrix with all 1‘s on the...Ch. 1.3 - We define the vectors e1=[001],e2=[010],e3=[001]...Ch. 1.3 - In m , we define ei=[0010]ithcomponent . If A is...Ch. 1.3 - Find a 33 matrix A such that...Ch. 1.3 - Find all vectors x such that Ax=b , where...Ch. 1.3 - Prob. 38E Ch. 1.3 - Prob. 39E Ch. 1.3 - Prob. 40E Ch. 1.3 - Prob. 41E Ch. 1.3 - Prob. 42E Ch. 1.3 - Prob. 43E Ch. 1.3 - Consider an nm matrix A with more rows than...Ch. 1.3 - Prob. 45E Ch. 1.3 - Prob. 46E Ch. 1.3 - A linear system of the form Ax=0 is called...Ch. 1.3 - Consider a solution x1 of the linear system Ax=b...Ch. 1.3 - Consider the accompanying table. For some linear...Ch. 1.3 - Consider a linear system Ax=b , where A is a 43...Ch. 1.3 - Consider an nm matrix A, an rs matrix B, and...Ch. 1.3 - Consider the matrices A=[1012] and B=[0110] .Can...Ch. 1.3 - If A and B are two nm matrices, is (A+B)x=Ax+Bx...Ch. 1.3 - Prob. 54E Ch. 1.3 - Prob. 55E Ch. 1.3 - Is the vector [301385662] a linear combination of...Ch. 1.3 - Prob. 57E Ch. 1.3 - For which values of the constants b and c is the...Ch. 1.3 - For which values of the constants c and d is...Ch. 1.3 - For which values of the constants a, b, c and d is...Ch. 1.3 - For which values of the constant c is [1cc2] a...Ch. 1.3 - For which values of the constant c is [1cc2] a...Ch. 1.3 - In Exercises 63 through 68, consider the vectors...Ch. 1.3 - In Exercises 63 through 68, consider the vectors...Ch. 1.3 - Prob. 65E Ch. 1.3 - Prob. 66E Ch. 1.3 - Prob. 67E Ch. 1.3 - Prob. 68E Ch. 1.3 - Prob. 69E Ch. 1.3 - Let A be the nn matrix with 0’s on the main...Ch. 1 - TRUE OR FALSE? 19 Determine whether the statements...Ch. 1 - TRUE OR FALSE? 19 Determine whether the statements...Ch. 1 - Matrix [120001000] is in reduced row-echelon form.Ch. 1 - A system of four linear equations in three...Ch. 1 - There exists a 34 matrix with rank 4.Ch. 1 - If A is a 34 matrix and vector v is in 4 , then...Ch. 1 - If the 44 matrix A has rank 4, then any linear...Ch. 1 - There exists a system of three linear equations...Ch. 1 - There exists a 55 matrix A of rank 4 such that the...Ch. 1 - If matrix A is in reduced row-echelon form, then...Ch. 1 - The system [123456000]x=[123] is inconsistent.Ch. 1 - There exists 22 matrix A such that A=[12]=[34] .Ch. 1 - If A is a nonzero matrix of the form [abba] , then...Ch. 1 - rank [111123136]=3 Ch. 1 - The system Ax=[0001] is inconsistent for all 43...Ch. 1 - There exists a 22 matrix A such that A=[11]=[12]...Ch. 1 - rank [222222222]=2 Ch. 1 - [111315171921][131]=[131921]Ch. 1 - There exists a matrix A such that A=[12]=[357] .Ch. 1 - Vector [123] is a linear combination of vectors...Ch. 1 - If the system Ax=b has a unique solution, then...Ch. 1 - If A is any 43 matrix, then there exists a vector...Ch. 1 - There exist scalars a and b such that matrix...Ch. 1 - If v and w are vectors in 4 , then v must be a...Ch. 1 - If u,v , and w are nonzero vectors in 2 , then w...Ch. 1 - If v and w are vectors in 4 , then the zero vector...Ch. 1 - If A and B are any two 33 matrices of rank2,then...Ch. 1 - If vector u is a linear combination of vectors v...Ch. 1 - A linear system with fewer unknowns than...Ch. 1 - The rank of any upper triangular matrix is the...Ch. 1 - There exists a 43 matrix A of rank 3 such that...Ch. 1 - The system Ax=b is inconsistent if (and only...Ch. 1 - If A is a 43 matrix of rank 3 and Au=Aw for two...Ch. 1 - If A is a 44 matrix and the system Ax=[2345] has...Ch. 1 - If vector u is a linear combination of vectors v...Ch. 1 - If A=[uvw] and rref(A)=[002013000] , then the...Ch. 1 - If A and B are matrices of the same size, then the...Ch. 1 - If A and B are any two nn matrices of rank n, then...Ch. 1 - If a vector v in 4 is a linear combination of u...Ch. 1 - If matrix E is in reduced row-echelon form, and if...Ch. 1 - The linear system Ax=b consistent if (and only if)...Ch. 1 - If A is a 34 matrix of rank 3, then the system...Ch. 1 - If two matrices A and B have the same reduced...Ch. 1 - If matrix E is in reduced row-echelon form, and if...Ch. 1 - If A and B are two 22 matrices such that the...Ch. 1 - A lower triangular 33 matrix has rank 3 if (and...Ch. 1 - If adbc0 , then the matrix [abcd] must have rank...Ch. 1 - If vector w is a linear combination of u and v ,...Ch. 1 - If the linear system Ax=b has a unique solution...Ch. 1 - A matrix is called a 0-1-matrix if all of its...

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Find the function f ( t ) of the form f ( t ) = a cos ( 2 t ) + b sin ( 2 t ) such that f ″ ( t ) + 2 f ′ ( t ) + 3 f ( t ) = 17 cos ( 2 t ) .(This is the kind of differential equation youmight haveto solve when dealing with forced dampedoscillators,in physics or engineering.)

Solution Summary: The author explains the solution of the function of differential equation: -mathrmcos(2t)+4

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Chapter 1 Solutions