Suppose A is a 4X2 matrix, B is a 5X4 matrix, and C is a 2X5 matrix.

For each of the following product expressions, indicate whether the

matrix product is defined, and, if so, the dimensions of the product.

(1.5 pts.)

Defined? Dimensions

------------------------------------------

AB | |

AC | |

BA | |

BC | |

CA | |

CB | |