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## Homework Statement

let A and B be nXn invertible matrices. Show that (A.B)

^{T}is invertible by finding it's inverse

## Homework Equations

## The Attempt at a Solution

(A.B)

^{T}=B

^{T}.A

^{T}

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- Thread starter noelo2014
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let A and B be nXn invertible matrices. Show that (A.B)

(A.B)

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CAF123

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Sorry I left out the fact that A and B are invertible.

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HallsofIvy

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(Of course, you know that a matrix

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