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## Homework Statement

How do I set up a matrix to find the combination of ( M(L^2)/T ) and I ( L^4)

that results in units of M/ ( L^2 T^2 ) ?

## Homework Equations

## The Attempt at a Solution

I think it looks something like

[ 1 0

2 4

-2 0 ]

*

[ a1, a2, a3]

=

[1 -2 -2]

but the dimensions of those matrices aren't right