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3 and 4 please
1 0 0 3. Find the inverse of A= 0 4 0 by Gauss-Jordan elimination 2 3 1 and check your answer by multiplication. 3 1 2 4. Find the inverse of 2 6 -4 by the cofactor formula. 3 0
These are linear algebra problems.
1 4 1 1 2 7 2 2 Let A 1 4 .. 1 2 find Its Inverse. Decide whether the matrix A is invertible, and if so, use the adjoint method Enter as a matrix, exactly in fractional from if required, if not invertible enter "NA" A-1 la b -2a -2b -2c d e f d = -2,find Given that g hi g-3d h-3e -3f -2a -2b -2c d f g 3d h 3e...
points 5. Find the inverse of the following matrix: 10 -1] -4 1 3 2 0 3 | 1
A= [1 2 3 -1 4 5 1 6 7 please find the inverse or A^-1 of the given matrix A by using the Gauss-Jordan Elimination method
(a) Reduce the following matrices to diagonal form and find a g-inverse of each 120-11 4 5 6 2 2 3 -1 A=158 O 11 and B-1084 7 1o-2 3 21 6 (5+5 (b) () For any n x I vector a 0, show that a (ii) Find the g-inverse of the vector a, where a' = [1 a'a 5 2] 3 1
(a) Reduce the following matrices to diagonal form and find a g-inverse of each 120-11 4 5...
[4 points (a) Find the inverse of the matrix A= -1 2 2 3 -6 -5 2 -3 -4 using row operations. -1 + + 2.63 (b) Use your answer in part (a) to solve the system + 3.02 6.62 502 2 and state what the answer 21 2.1 9 1 means about the intersection of the 3 planes.
2 -1 Find the inverse of the matrix: 2 -1 -4 -4 -3 1 Submit Answer Tries 0/10
Total Marks 5 (1 mark each question) 1 2 0 1 0 1 0 -4 Question 1: Find the determinant of by row reduction method. 2 -2 -2 0 13 14 Question 2: Find the inverse of the matrix A = 0 -2 1 using cofactor or adjugate method. 0 0 3 Question 3: Find the area of the region E bounded by the ellipse whose equation + =9 4 4: Find area of the parallelogram whose vertices are: Question...
Show that B is the inverse of A. 5 2 -6 A = 6 3 -9 B = -2 -1 4 3 -2 -0 8 9 0 1 3 STEP 1: Find AB. - AB = 11 STEP 2: Find BA. BA = = 1 11
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3 1. Find the inverse using elementary matrices A 2-3 Find a sequence of elementary matrices whose product is the given matrix. 2-H 4 3 Find an LU-factorization. 3 01 6 1 1 3. -3 1
3 1. Find the inverse using elementary matrices A 2-3 Find a sequence of elementary matrices whose product is the given matrix. 2-H 4 3 Find an LU-factorization. 3 01 6 1 1 3. -3 1