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:

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The rhythmic contraction and relaxation of the heart muscles that circulate blood throughout the body.

Tympanic Thermometer

A type of electronic thermometer that measures infrared energy emitted from the tympanic membrane.

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