# How do you find the inverse of #A=##((1, -1, 0), (0, 1, 0), (0, 0, 1))#?

##### 1 Answer

Jul 16, 2016

#### Explanation:

Notice the effect of multiplying:

#A((a),(b),(c)) = ((1,-1,0),(0,1,0),(0,0,1))((a),(b),(c)) = ((a-b),(b),(c))#

To reverse the effect of subtracting