Answer:
-11
Step-by-step explanation:
Answer:
Yes, the last 2 are indeed correct :)
Step-by-step explanation:
Good job.
the answer is in the picture I mentioned as the answer ok ◉‿◉◉‿◉◉‿◉◉‿◉◉‿◉◉‿◉◉‿◉◉‿◉◉‿◉◉‿◉◉‿◉◉‿◉◉‿◉◉‿◉◉‿◉◉‿◉◉‿◉◉‿◉
Answer: A.(3,1)
D.(2,7) both are correct
Step-by-step explanation:
.
Answer:
(a)First Row, First Column =1
(b)First Row, second Column =0
(c)Second Row, First Column =0
(d)Second Row, second Column =1
Step-by-step explanation:
Given matrix 
The Inverse of a 2X2 matrix

can be found using the following:

Therefore:

Next, we find the product 

Therefore:
(a)First Row, First Column =1
(b)First Row, second Column =0
(c)Second Row, First Column =0
(d)Second Row, second Column =1
NOTE: The multiplication of a matrix and its inverse always gives the identity matrix as seen above,