Solve the Equation $\mathrm { m } ^ { 2 } + \mathrm { m } + 4 = 0$

Solve the equation.
- $\mathrm { m } ^ { 2 } + \mathrm { m } + 4 = 0$

A) $\frac { - 1 - \sqrt { 15 } } { 2 } , \frac { - 1 + \sqrt { 15 } } { 2 }$
B) $\frac { - 1 - \mathrm { i } \sqrt { 15 } } { 2 } , \frac { - 1 + \mathrm { i } \sqrt { 15 } } { 2 }$
C) $\frac { 1 - \sqrt { 15 } } { 2 } , \frac { 1 + \sqrt { 15 } } { 2 }$
D) $\frac { 1 - \mathrm { i } \sqrt { 15 } } { 2 } , \frac { 1 + \mathrm { i } \sqrt { 15 } } { 2 }$

Correct Answer:

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