<em>CA </em>⁻¹ is undefined because there are more columns in <em>A </em>⁻¹ than there are rows in <em>C</em>.
Answer:
0.0476
Step-by-step explanation:
4/84=0.0476
Because it is normally set to only find real roots, not complex roots
if you are smart, you can use the factor function and use your head to find those roots
It’s 8 I think but you can ask your friends