Answer:
A
Step-by-step explanation:
P^T is transpote matrix. So the rows of matrix P you write like columns in P^T.
So we have first row: 2, 5, it will be firsl column
2nd row: 8,1 will be 2nd column.
It is matrix:
2 8
5 1
This is matrix a)
Answer:
(6,15)
Step-by-step explanation:
Answer:
D
Step-by-step explanation:
Using the rule of exponents
⇔ 
Given

= 
= (
)³