Let (M × N) Denote a Matrix of Size M

question 68

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.
-(1 × 1) (2 × 1)

• A)2 × 2
• B)not defined
• C)1 × 2
• D)2 × 1

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Definitions:

Fenians

A secret 19th-century Irish nationalist organization aiming for the establishment of an independent Irish Republic.

Carpetbaggers

Derogatory term for Northerners who moved to the South after the U.S. Civil War, perceived to be exploiting the region.

Corruption

The abuse of entrusted power for private gain, which can occur in both public and private sectors, undermining trust and efficiency.

Democrats

A political party in the United States that generally emphasizes progressive policies, social equality, and a stronger role for the federal government in providing social programs.