find the 3x2 matrix X that is a solution of the equation. 2X-A=X+B
Add A on both sides
We have used basic matrix addition laws.
Answer is given below (on video)
One of the five given matrices represents an orthogonal projection onto a line and another represents a reflection about line. Identify both and briefly justify your choice.
Solve the system of linear equations using matrices.
Determine if b is a linear combination of the vectors formed from the columns of the matrix A.