Addition and Subtraction: Under What Condition Is | -

question 47

Multiple Choice

Addition and subtraction: Under what condition is | - | = A + B?

• A) The magnitude of vector is zero.
• B) Vectors and are in opposite directions.
• C) Vectors and are in the same direction.
• D) Vectors and are in perpendicular directions.
• E) The statement is never true.

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Definitions:

Askia Muhammad

Mentioned as a significant ruler of the Songhai Empire in the late 15th and early 16th centuries, noted for his administrative reforms, military prowess, and patronage of Islamic scholarship and education.

Hausa City-States

Denotes a group of independent cities within what is now northern Nigeria, developed before the 19th century, each governed by its own ruler and known for their trade, military prowess, and Islamic scholarship.

Kano

A city in northern Nigeria, known as a commercial and cultural center, as well as for its historic significance in the trans-Saharan trade.

Gao

This term could refer to multiple contexts; it might denote a historical city in Mali, known for being an important trading center in the Sahel region.