Find the inverse, if it exists, for the given matrix.
left bracket Start 2 By 3 Matrix 1st Row 1st Column 5 2nd Column 3rd Column 5 2nd Row 1st Column 4 2nd Column 3rd Column 5 EndMatrix right bracket
5 | 5 | |
4 | 5 |
Find the inverse. Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
A.The inverse is
nothing.
(Type a matrix, using an integer or simplified fraction for each matrix element. Do not factor out a scalar multiple.)
B.
There is no inverse of the given matrix.
Find the inverse, if it exists, for the given matrix. left bracket Start 2 By 3...
Given A and b to the right, write the augmented matrix for the linear system that corresponds to the matrix equation Axequals=b. Then solve the system and write the solution as a vector. Aequals=left bracket Start 3 By 3 Matrix 1st Row 1st Column 1 2nd Column 3 3rd Column negative 2 2nd Row 1st Column negative 2 2nd Column negative 2 3rd Column 0 3rd Row 1st Column 5 2nd Column 2 3rd Column 6 EndMatrix right bracket 1...
Find the equilibrium vector for the given transition matrix. P equals left bracket Start 2 By 2 Matrix 1st Row 1st Column 0.28 2nd Column 0.72 2nd Row 1st Column 0.22 2nd Column 0.78 EndMatrix right bracket.
Use a graphing utility to find the inverse, if it exists, of the given matrix. Select the correct choice below and, if necessary, fill in the answer box within your choice. OA. 23 56 - 15 The inverse of the matrix 13 7 -3 is . - 5 33 21 (Type an integer os decimal for each matrix element. Round to two decimal places as needed.) OB. The matrix has no inverse.
A manufacturer guarantees a product for 1.751.75 yearsyears. The time to failure of the product after it is sold is given by the probability density function below, where t is time in months. What is the probability that the product will last at least 1.751.75 yearsyears? [Hint: Recall that the total area under the probability density function curve is 1.] f left parenthesis t right parenthesis equalsf(t)= left brace Start 2 By 2 Matrix 1st Row 1st Column 0.014 e...
Determine ModifyingBelow lim With x right arrow c Superscript plusf(x), ModifyingBelow lim With x right arrow c Superscript minusf(x), and ModifyingBelow lim With x right arrow cf(x), if it exists. cequals3, f(x)equals left brace Start 2 By 2 Matrix 1st Row 1st Column 4 minus x 2nd Column x less than 3 2nd Row 1st Column StartFraction x Over 3 EndFraction plus 1 2nd Column x greater than 3 EndMatrix ModifyingBelow lim With x right arrow c Superscript plusf(x)equals nothing...
Let A and B be nxn matrices. Mark each statement true or false. Justify each answer. Complete parts (a) through (d) below. a. The determinant of A is the product of the diagonal entries in A. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. The statement is false because the determinant of the 2x2 matrix A = is not equal to the product of the entries on the main...
a b 1 d-b - lz and A-'A-Iz. Use the fact that if A- then A to find the inverse of the matrix, if possible. Check that AA ad-bc cd -C a - 2-3 4 Select the correct choice below and, if necessary, fill in the answer box to complete your choice. OAA? (Type an integer or a simplified fraction for each matrix element.) O B. The matrix does not have an inverse.
2.4.45 Find the slope, if it exists, of the line containing the pair of points (1,10) and (-10,10). Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. The slope of the line is OB. The slope is undefined (Type an integer or a simplified fraction.)
Find the inverse, if it exists, of the given matrix 1 0 0 OA. 0 1 1 0 0 1 1 0 0 2-1 1 Find the inverse, if it exists, of the given matrix. 5 12 5 2 A. 12 5 5 -12 -2 5 -5 2 12 -5 -5-12 -25 OB. O c. O D. Determine whether the two matrices are inverses of each other by computing their product. 9 4-22 2 -45 O No O Yes
3. (10 points) Simultaneous left inverse The two matrices 3 2] and both left-invertible, and have multiple left inverses. Do they have a common left inverse? Explain how to find a 2 × 4 matrix C that satisfies CA-CB-1, or determine that no such matrix exists. (You can use numerical computing to find C.) Hint. Set up a set of linear equations for the entries of C. Remark. There is nothing special about the particular entries of the two matrices...