SOLUTION: suppose A is a 2 x 2 matrix as follows A = [56 34] how do i decide whether A is invertible? and if it is find A^-1

SOLUTION: suppose A is a 2 x 2 matrix as follows A = [56 34] how do i decide whether A is invertible? and if it is find A^-1

Algebra.Com

Question 350085: suppose A is a 2 x 2 matrix as follows
A = [56
34]
how do i decide whether A is invertible? and if it is find A^-1
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
A 2x2 matrix needs 4 elements.
You only have 2 elements.
Please repost.

RELATED QUESTIONS
If A is an invertible 2 x 2 matrix,then A^t is invertible and (At)^-1 = (A^-1)^t. (answered by jim_thompson5910)

Find the values of x, y, and z so that matrix A = 1 2 x 3 0 y 1 1 z is... (answered by Edwin McCravy)

a square matrix A is said to be idempotent A^2=A (a)give an example of idempotent... (answered by Edwin McCravy)

A square matrix A is idempotent if A^2 = A. a) Show that if A is idempotent, then... (answered by kev82)

A is a 2x3 matrix and B a 3x2 matrix is A-B defined A is invertible 3x3 matrix B is... (answered by stanbon,jim_thompson5910)

Suppose A is a 2*2 matrix where the sum of each of the columns is equal to 0. Prove that... (answered by user_dude2008)

True or false questions: 1. In order for a matrix B to be the inverse of A, both... (answered by stanbon)

What is an invertible matrix and how do you show that it is... (answered by richard1234)

Q−1: [5×2 marks] Answer each of the following as True or False justifying your... (answered by math_tutor2020)