# How do you find missing values in a matrix?

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The matrix I have is given by #M=((1,a),(0,2))# , and the image of the point #(b,5)# under #M# is #(5,b)# . I need to find the values of #a# and #b# .

The matrix I have is given by

##### 1 Answer

Apr 5, 2018

#### Explanation:

We have:

We are told:

So

Substituting