Explaining Linear Dependence in 5 x 3 Matrix A

[blackblanx]

Homework Statement

For Any 5 x 3 matrix A, explain why rows of A must be linearly dependent.

The Attempt at a Solution

No idea please drop a hint

 

[Mark44]

Homework Statement

For Any 5 x 3 matrix A, explain why rows of A must be linearly dependent.

The Attempt at a Solution

No idea please drop a hint

What dimension are the rows? How many of them are there?

 

[Dick]

Hint: you can think of the rows as vectors in a three dimensional space.