Find the Product of the Complex Number and Its Conjugate

question 159

Multiple Choice

Find the product of the complex number and its conjugate.
--5 - 7i

• A) 75
• B) 74
• C) 77
• D) -24

---

Definitions:

Irrepressible Need to Sleep

An overwhelming urge to sleep that cannot be easily controlled or suppressed.

Melatonin

A hormone produced by the pineal gland in the brain, regulating sleep and wakefulness cycles.

Biological Clocks

Internal mechanisms that regulate the timing of biological processes and behaviors, aligning them with daily and seasonal rhythms.

Cholecystokinin

A hormone secreted by the small intestine that aids digestion by stimulating the gallbladder to contract and release stored bile into the intestine.