10 Answered Questions for the topic Inverse Matrix

How to determine whether T is linearly independent ? Justify your answer please.

Let S={X1,X2,X3} be a linearly independent set of vectors in R^3. How to determine whether T={2X1 + X2 - 2X3,4X1+ 3X2,3X1 + 2X2 - X3} is linearly independent. Justify your answer please.
Inverse Matrix Math Matrix Matrices


solve the system of equations using the Gauss Jordan Method (2 problems)

label the augmented matrix(A:I), the resulting inverse(I:A^-1), column vector B, column vector of variables X, such that A^-1B=x   3x-5y=-5 6x-11y=-14     along with another problem which... more
Inverse Matrix


adj(kA)=k^n(n-1)det(A)^(n-1) HOW TO PROVE ????

A is non singular square matrix of order n and k is a non zero scaler
Inverse Matrix


Why we need to learn to find the inverse matrix of a matrix?

Why we need to learn to find the inverse matrix of a matrix?
Inverse Matrix Matrix


The sum of three numbers is 24. Twice the smallest number is 2 less than the largest number, and the largest number is equal to the sum of the other two.

just need three equations so i can create the matrices and i can solve from there. 


Find the production schedule that satisfies an external demand for 43 units of coal, 26 units of lumber, and 17 units of steel.

Assume that producing 1 unit of coal requires 0.4 units of coal, 0.1 units of lumber, and 0.2 units of steel; that producing 1 unit of lumber requires 0 units of coal, 0.7 units of lumber, and 0.2... more
Inverse Matrix College Algebra Matrix Inverse


Find the inverse matrix (if it exists)

[1 -1 1] [0 -1 0] [0 0 2] (the brackets are all suppose to be combined)   Answer: first row=? second row=? third row=?
Inverse Matrix Math Help Matrices


Matrix 2x1 transpose - inverse

If A and B are any matrices of order 2×1, why does the product ABt have no inverse?
Inverse Matrix


help with inverse of the matrix

I need help with finding the inverse of the matrix for,         -9   5          6  -3     I started with 2 x 2 then    A =  -3/(-9)(-3) - (5)(6)              5/(-9)(6) -... more
Inverse Matrix


How do you solve the system of equations using the inverse matrix: {5x-2y+16 and {x+3y=10

I tried to find the inverse but in all my multiplying, it ended up not being a inverse matrix and instead a random set of fractions in my matrix.

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