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Write the Number in Standard Form a + Bi $\frac { 4 + \sqrt { - 80 } } { 2 }$

Question 139

Question 139

Multiple Choice

Write the number in standard form a + bi.
- $\frac { 4 + \sqrt { - 80 } } { 2 }$

A) $2 + 2 \mathrm { i } \sqrt { 10 }$
B) $2 - 4 \mathrm { i } \sqrt { 10 }$
C) $2 + 2 i \sqrt { 5 }$
D) $2 - 4 \mathrm { i } \sqrt { 5 }$

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