Perform the Indicated Operations and Write the Result in Standard $$( 6 + \sqrt { - 3 } ) ( 6 + \sqrt { - 7 } )$$

question 298

Multiple Choice

Perform the indicated operations and write the result in standard form.
- $$( 6 + \sqrt { - 3 } ) ( 6 + \sqrt { - 7 } )$$

• A) \(15 - 12 \sqrt { 21 } \mathrm { i }\)
• B) \(57 + 252 \mathrm { i }\)
• C) \(( 36 + \sqrt { 21 } ) - 57 i\)
• D) \(( 36 - \sqrt { 21 } ) + ( 6 \sqrt { 7 } + 6 \sqrt { 3 } ) i\)

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