Evaluate the Expression $( 4 - i ) ( 4 + i )$

question 69

Multiple Choice

Evaluate the expression $( 4 - i ) ( 4 + i )$ and write in the form $a + b i$

• A) \(16 i\)
• B) \(17 - 0 i\)
• C) \(8 + i\)
• D) \(8 - i\)

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Definitions:

Organic Product

A molecule primarily composed of carbon atoms, produced through the chemical reactions of organic chemistry.

Major Organic Product

The main material generated in the greatest quantity in an organic chemical reaction.

Major Organic Product

In an organic chemistry reaction, this refers to the compound that is produced in the highest concentration, highlighting its dominance over other minor products formed.

Organic Product

A compound containing carbon atoms that has been produced through a chemical reaction involving organic molecules.