If A is a 3 x 3 matrix with two identical columns. Which one of the...
Question 3 (1 point) Which of the following statements are true? If one row of a matrix is a linear combination of two other rows, then the determinant is 0. If the determinant of an nxn matrix is not zero, then the columns span the entire Rn The determinant is linear in each column. The row operation R2-R1-R2 (replacing row 2 by row 1 minus row 2) does not change the determinant. For all nxn matrices A and B, we...
linear algebra class due in 30minutes please help ASAP! Determine whether each statement is true or false. If a statement is true, give a reason or cite an appropriate statement from the text. If a statement is false, provide an example shows the statement is not true in all cases or cite an appropriate statement from the text. (a) To find the determinant of a triangular matrix, add the entries on the main diagonal false, the determinant of a triangular...
1 Consider the matrix P= 1 o 1 Which one of the following statements about P is INCORRECT? (A) Determinant of P is equal to 1. (B) Pis orthogonal. (C) Inverse of P is equal to its transpose. (D) All Eigen values of P are real numbers
Determine which property of determinants the equation illustrates. 1 3 2 0 0 0 96 -8 = 0 If one row of a matrix is a multiple of another row, then the determinant of the matrix is zero. If one row of a matrix consists entirely of zeros, then the determinant of the matrix is zero. If two columns of a matrix are interchanged, then the determinant of the matrix changes sign. If a row of a matrix is multiplied...
IT a) If one row in an echelon form for an augmented matrix is [o 0 5 o 0 b) A vector bis a linear combination of the columns of a matrix A if and only if the c) The solution set of Ai-b is the set of all vectors of the formu +vh d) The columns of a matrix A are linearly independent if the equation A 0has If A and Bare invertible nxn matrices then A- B-'is the...
Problem 1 Consider the matrix Problem 1 Consider the matriz a 2 5 3 11 08 a Find the cofactors C11,C2,C3 of A. b Find the determinant of 1, det(A) [ 2 4 61 Problem 2 Consider the matriz A=008 | 2 5 3 a Use the ero's to put A in upper triangular form 5 Pinul the determinant of A. (A) by keeping track of the row operations in part a and the properties of determinant Problem 3 Consider...
7. Which of the following statements isn't true? Explain your reasoning. (Hint: There is only one false statement.) (a) If the columns of an n x n matrix form a basis of R", then the matrix will be invertible. (b) If A is invertible, then A-1 is also invertible. (c) If A is an n xn matrix whose columns span R", then A must be one-to-one. (d) If A is an n x n matrix, then the preimage of the...
Which of the following statements about columns in Apache Cassandra is TRUE? Select one: a. Related columns are stored in the same row b. Columns have a name, a value, and a timestamp c. Rows in a column family can contain different numbers of columns d. All of the above statements about columns in Apache Cassandra are true
Say that A is a 3 x 3 matrix and that there are non-zero vectors x, y and z with Ac = e. Ay = -2y , and Az = 0 Which of the following statements must be true? Select only one answer A is neither invertible nor diagonalizable. Ais diagonalizable but is not invertible. A is invertible but is not diagonalizable. A is invertible and diagonalizable.
2 invertible? C For which values of c is the matrix 8 O c 4 c =-4 Both of the above, i.e., c +4 Neither of the above, i.e., c +4. Suppose that the following row operations: interchange rows 1 and 3 multiply row 3 by 1/2 add -3 times row 1 to row 2 2 1 7 in this order, transform a matrix A into B = | 0 4-5 L0 0 3 What is the determinant of A?...