The matrix ( 1 2) maps Q(1,2) to R(5,7).

(1 3)

Find the 2 x 2 matrix which maps R back to Q.

Help please.

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- Apr 30th 2009, 07:48 AMCrystal09Matrices
The matrix ( 1 2) maps Q(1,2) to R(5,7).

(1 3)

Find the 2 x 2 matrix which maps R back to Q.

Help please. - Apr 30th 2009, 08:00 AMstapel
I will guess that you meant to say the following:

Quote:

Code:`The matrix [ 1 2 ]`

[ 1 3 ] maps Q(1, 2) to R(5, 7)]

**find the matrix inverse**. (Wink) - Apr 30th 2009, 08:02 AMTwig
hi

That is, a linear transformation described by the matrix A.