Find the Sum or Difference $\mathrm { i } \sqrt { 5 } + 5 - ( 1 + 9 \mathrm { i } \sqrt { 5 } ) - ( 2 - \mathrm { i } \sqrt { 5 } )$

question 179

Multiple Choice

Find the sum or difference. Write the answer in standard form.
- $\mathrm { i } \sqrt { 5 } + 5 - ( 1 + 9 \mathrm { i } \sqrt { 5 } ) - ( 2 - \mathrm { i } \sqrt { 5 } )$

• A) \(- 2 - 11 \mathrm { i } \sqrt { 5 }\)
• B) \(2 - 7 \mathrm { i } \sqrt { 5 }\)
• C) \(2 - 11 \mathrm { i } \sqrt { 5 }\)
• D) \(2 + 7 \mathrm { i } \sqrt { 5 }\)

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