matrix multiplication
Not what you're looking for?
(See attached file for full problem description)
1. Let A = [1 2; 1 4] and B = [ 2 -1; x y]. Are there any x and y such that AB = I? If so, find x and y.
2. Let A = [ 1 0; 1 1] and B = [3 x; 4 y]. Determine the values of x and y such that AB = BA
Purchase this Solution
Solution Summary
It finds out the unknown elements of the matrix such as the product the two matrices is identity.
Purchase this Solution
Free BrainMass Quizzes
Graphs and Functions
This quiz helps you easily identify a function and test your understanding of ranges, domains , function inverses and transformations.
Solving quadratic inequalities
This quiz test you on how well you are familiar with solving quadratic inequalities.
Exponential Expressions
In this quiz, you will have a chance to practice basic terminology of exponential expressions and how to evaluate them.
Probability Quiz
Some questions on probability
Know Your Linear Equations
Each question is a choice-summary multiple choice question that will present you with a linear equation and then make 4 statements about that equation. You must determine which of the 4 statements are true (if any) in regards to the equation.