<span>A and B must be invertible, we have UA=B, since A is invertible. A^-1 exists, by multiplying with A^-1, we have UA A^-1 =B A^-1. But AA^-1 = I (identity matrix) and XI=X, for all matrix X, we find UI= B A^-1, and U= B A^-1.</span>
Answer: your answer would be 3
Step-by-step explanation:
Answer:
need help too
Give the person above me brainliest
do as direct
which one of the following is square of 4
2
8
16
64
663.4
1.55 x 10 = 15.5
4.28 x 10 = 42.8
42.8 x 15.5 = 663.4
hope i helped
