Multiply Write the Result in the Form a + Bi $( 3 + i \sqrt { 3 } ) ( 3 - i \sqrt { 3 } )$

question 223

Multiple Choice

Multiply. Write the result in the form a + bi.
-( $( 3 + i \sqrt { 3 } ) ( 3 - i \sqrt { 3 } )$

• A)18
• B)12
• C)6
• D) \(9 + 3 \mathrm { i }\)

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