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What 3x2 matrix could be added to a second 3x2 matrix without changing that second matrix?


The 3x2 matrix that has all its elements zero.

Zero Matrix

A zero matrix is one which has all its elements zero. Here is a 3x3 zero matrix:

zero matrix

The name of a zero matrix is a bold-face zero: 0, although sometimes people forget to make it bold face. Here is an interesting problem:

Zero Matrix added to another Matrix


Form the above sum. No electronic calculators allowed!