Problem 1E: Consider the matrices in Exercises 1-10. a Either state that the matrix is in echelon form or use... Problem 2E: Consider the matrices in Exercises 1-10. a Either state that the matrix is in echelon form or use... Problem 3E: Consider the matrices in Exercises 1-10. a Either state that the matrix is in echelon form or use... Problem 4E: Consider the matrices in Exercises 1-10. a Either state that the matrix is in echelon form or use... Problem 5E: Consider the matrices in Exercises 1-10. a Either state that the matrix is in echelon form or use... Problem 6E: Consider the matrices in Exercises 1-10. a Either state that the matrix is in echelon form or use... Problem 7E Problem 8E: Consider the matrices in Exercises 1-10. a Either state that the matrix is in echelon form or use... Problem 9E: Consider the matrices in Exercises 1-10. a Either state that the matrix is in echelon form or use... Problem 10E: Consider the matrices in Exercises 1-10. a Either state that the matrix is in echelon form or use... Problem 11E: In Exercise 11-21, each of the given matrices represents the augmented matrix for a system of linear... Problem 12E: In Exercise 11-21, each of the given matrices represents the augmented matrix for a system of linear... Problem 13E: In Exercise 11-21, each of the given matrices represents the augmented matrix for a system of linear... Problem 14E: In Exercise 11-21, each of the given matrices represents the augmented matrix for a system of linear... Problem 15E: In Exercise 11-21, each of the given matrices represents the augmented matrix for a system of linear... Problem 16E: In Exercise 11-21, each of the given matrices represents the augmented matrix for a system of linear... Problem 17E: In Exercise 11-21, each of the given matrices represents the augmented matrix for a system of linear... Problem 18E: In Exercise 11-21, each of the given matrices represents the augmented matrix for a system of linear... Problem 19E: In Exercise 11-21, each of the given matrices represents the augmented matrix for a system of linear... Problem 20E: In Exercise 11-21, each of the given matrices represents the augmented matrix for a system of linear... Problem 21E: In Exercise 11-21, each of the given matrices represents the augmented matrix for a system of linear... Problem 22E: In Exercises 22-35, solve the system by transforming the augmented matrix to reduced echelon form.... Problem 23E: In Exercises 22-35, solve the system by transforming the augmented matrix to reduced echelon form.... Problem 24E: In Exercises 22-35, solve the system by transforming the augmented matrix to reduced echelon form.... Problem 25E: In Exercises 22-35, solve the system by transforming the augmented matrix to reduced echelon form.... Problem 26E: In Exercises 22-35, solve the system by transforming the augmented matrix to reduced echelon form.... Problem 27E: In Exercises 22-35, solve the system by transforming the augmented matrix to reduced echelon form.... Problem 28E: In Exercises 22-35, solve the system by transforming the augmented matrix to reduced echelon form.... Problem 29E: In Exercises 22-35, solve the system by transforming the augmented matrix to reduced echelon form.... Problem 30E: In Exercises 22-35, solve the system by transforming the augmented matrix to reduced echelon form.... Problem 31E: In Exercises 22-35, solve the system by transforming the augmented matrix to reduced echelon form.... Problem 32E: In Exercises 22-35, solve the system by transforming the augmented matrix to reduced echelon form.... Problem 33E: In Exercises 22-35, solve the system by transforming the augmented matrix to reduced echelon form.... Problem 34E: In Exercises 22-35, solve the system by transforming the augmented matrix to reduced echelon form.... Problem 35E: In Exercises 22-35, solve the system by transforming the augmented matrix to reduced echelon form.... Problem 36E: In Exercises 36-40, find all the values a for which the system has no solution. x1+2x2=-3 ax1-2x2=5 Problem 37E: In Exercises 36-40, find all the values a for which the system has no solution. x1+3x2=-3 2x1+6x2=a Problem 38E: In Exercises 36-40, find all the values a for which the system has no solution. 2x1+4x2=a 3x1+6x2=5 Problem 39E: In Exercises 36-40, find all the values a for which the system has no solution. 3x1+ax2=3 ax1+3x2=5 Problem 40E: In Exercises 36-40, find all the values a for which the system has no solution. x1+ax2=6 ax1+2ax2=4 Problem 41E: In Exercises 41 and 42, find all the values and where 02 and 02. 2cos+4sin=3 3cos-5sin=-1 Problem 42E: In Exercises 41 and 42, find all the values and where 02 and 02. 2cos2-sin2=1 12cos2+8sin2=13 Problem 43E: Describe the solution set of the following system in terms of x3: x1+x2+x3=3x1+2x2=5. For x1, x2, x3... Problem 44E: Let A and I be as follows: A=1dcb, I=1001 Prove that if b-cd0, then A is row equivalent to I Problem 45E: As in Fig.1.4, display all the possible configurations for a 23 matrix that is in echelon form.Hint:... Problem 46E Problem 47E Problem 48E: Repeat Exercise 47 for the matrices B=1437, C=1221. Problem 49E: A certain three-digit Number N equals fifteen times the sum of its digits. If its digits are... Problem 50E: Find the equation of the parabola, y=ax2+bx+c, that passes through the points -1,6, 1,4, and... Problem 51E Problem 52E: Find the three numbers whose sum is 34 when the sum of the first and second is 7, and the sum of... Problem 53E Problem 54E: Find a cubic polynomial, px=a+bx+cx2+dx3, such that p1=5, p'1=5, p2=17, and p'2=21. Problem 55E Problem 56E Problem 57E Problem 58E format_list_bulleted