F(x, Y, Z) = (9xy - 9) I + 6xyz

question 132

Multiple Choice

F(x, y, z) = (9xy - 9) i + 6xyz j + (z² - 9) k. Find div F.

• A) 9y + 6xz + 2z
• B) 9xy + 6xyz + z²
• C) 0
• D) 2z
• E) 9xy + z²

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Definitions:

Pyramids

Structures in the medulla oblongata of the brain involved in the transmission of motor signals to the spinal cord.

Descending Tracts

These are pathways in the central nervous system that transmit motor signals from the brain down the spinal cord to the muscles or glands.

Ascending Tracts

Ascending Tracts refer to the pathways in the nervous system through which sensory information from the peripheral nerves is conveyed up to the brain.

Neural Crest Cells

A group of cells in vertebrate embryos that migrate to form diverse cell types, including neurons, glial cells, and connective tissue.