Write the Complex Conjugate of the Complex Number $- 1 - \sqrt { 7 } i$

question 47

Multiple Choice

Write the complex conjugate of the complex number.Then multiply the number by its complex conjugate.​ $- 1 - \sqrt { 7 } i$ ​

• A)​ \(- 1 + \sqrt { 7 } i , 100\)
• B)​ \(- 1 + \sqrt { 7 } i , 8\)
• C)​ \(- 1 + \sqrt { 7 } i , - 6\)
• D)​ \(1 - \sqrt { 7 i } , 100\)
• E)​ \(1 + \sqrt { 7 } i , 8\)

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