Question #61134

2 Answers
Apr 10, 2017

Answer:

Ok, I hope I got the questions right...!

Explanation:

I will start from the second that helps to understand the first...
enter image source here
Now you can try to solve question a) where I think he wants the inverse:
enter image source here
The matrix with #a,b,c and d# will be your inverse!!!

If you cannot find it let me know...:-)

Apr 10, 2017

Answer:

ok then...let us try:

Explanation:

Have a look:

enter image source here
enter image source here

Now try by yourself to test the inverse doing:
#A*A^-1# to see if it gives you #((1,0),(0,1))#