If a Is Positive Definite, Every Entry Along the Diagonal

question 51

True/False

If A is positive definite, every entry along the diagonal of A is positive.

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Definitions:

Semiarid Zones

Regions characterized by light rainfall, usually between 10 and 20 inches per year, often resulting in scanty vegetation and a steppe climate.

Terrestrial Biomes

are large community units, distinguished by their predominant vegetation and are adapted to specific climate conditions on Earth, such as forests, deserts, and grasslands.

Alpine Tundra

A biome found in the high mountain regions of the world, above the tree line, characterized by windswept landscapes, low temperatures, and minimal vegetation.

Tree Line

The highest elevation or latitude line beyond which trees are unable to grow due to unsuitable environmental conditions, such as cold temperatures or lack of moisture.