Let (M × N) Denote a Matrix of Size M

question 21

Multiple Choice

Let (m × n) denote a matrix of size m × n. Find the size of the following product, or state that the product is not defined.
-(4 × 4) (4 × 4)

• A)4 × 4
• B)8 × 4
• C)not defined
• D)4 × 8

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Definitions:

Forebrain

The anterior part of the brain, including the cerebral hemispheres, thalamus, and hypothalamus, involved in complex behavioral and cognitive processes.

Distinct Sections

Separate or clearly differentiated parts of an object, document, or area.

Limbic System

An intricate network of nerves and pathways in the brain, encompassing multiple regions close to the cortex's boundary, is responsible for handling instinct and mood. It governs fundamental emotions like fear, pleasure, and anger, as well as primal urges such as appetite, reproductive behavior, dominance, and parental care.

Amygdala

A brain structure involved in the processing of emotions, particularly fear and pleasure.