Find the Coefficient Of $x ^ { 7 } y ^ { 5 }$

question 17

Short Answer

Find the coefficient of $x ^ { 7 } y ^ { 5 }$ in the expansion of $( 3 x - y ) ^ { 12 }$

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Definitions:

Blastocyst

A stage of early embryonic development in mammals, characterized by a spherical structure with an outer layer of cells and a fluid-filled cavity.

Major Body Systems

The main functional systems in the human body, such as the circulatory, respiratory, nervous, and digestive systems.

Implantation

The process by which a fertilized egg attaches itself to the wall of the uterus so that the embryo can begin to grow.

Embryonic Period

A crucial stage of human development that occurs in the first 8 weeks after fertilization, during which vital organs and structures begin to form.