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

question 107

Short Answer

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

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Definitions:

Relaxation Training

A therapeutic technique utilized to help individuals reduce stress and anxiety, typically involving exercises that promote physical and mental calm.

Biofeedback Training

A technique that teaches individuals to control physiological functions by using signals from their own bodies.

Meditation

A practice of concentrated focus upon a sound, object, visualization, the breath, movement, or attention itself in order to increase awareness of the present moment, reduce stress, promote relaxation, and enhance personal and spiritual growth.

Self-instruction Training

A cognitive technique that involves teaching individuals to give themselves positive verbal instructions to overcome difficulties or enhance performance.