Perform the Desired Operation $$( 6 + 7 i ) ( 6 - 7 i )$$

question 106

Multiple Choice

Perform the desired operation. Write the answer in the form a + bi.
- $$( 6 + 7 i ) ( 6 - 7 i )$$

• A) \(- 13\)
• B) \(36 - 49 i ^ { 2 }\)
• C) 85
• D) \(36 - 49 \mathrm { i }\)

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Definitions:

Abbreviation

A slimmed-down version of a word or phrase.

Adducts

Muscles that move a limb or other body part toward the midline of the body.

Rotates

The action of moving around an axis or center point, typically described in the context of physical objects or movements in space.

Contraction

A shortening and tightening of a muscle or muscle group, which may occur as a natural part of physical activity or as a result of certain medical conditions.