. Give an example of a reduced row echelon matrix that describes a linear system having the...

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Give an example of a reduced row echelon matrix that describes a linear system having the stated properties. If it is not possible to find such an example, explain why not. a. Write a reduced row echelon matrix for a linear system having five equations and three unknowns and having exactly one solution. b. Write a reduced row echelon matrix for a linear system having three equations and three unknowns and having no solution. c. Write a reduced row echelon matrix for a linear system having three equations and five unknowns and having infinitely many solutions. d. Write a reduced row echelon matrix for a linear system having three equations and four unknowns and having exactly one solution. e. Write a reduced row echelon matrix for a linear system having four equations and four unknowns and having exactly one solution. Give an example of a reduced row echelon matrix that describes a linear system having the stated properties. If it is not possible to find such an example, explain why not. a. Write a reduced row echelon matrix for a linear system having five equations and three unknowns and having exactly one solution. b. Write a reduced row echelon matrix for a linear system having three equations and three unknowns and having no solution. c. Write a reduced row echelon matrix for a linear system having three equations and five unknowns and having infinitely many solutions. d. Write a reduced row echelon matrix for a linear system having three equations and four unknowns and having exactly one solution. e. Write a reduced row echelon matrix for a linear system having four equations and four unknowns and having exactly one solution.