// ________________ ________________ \ // ________________ ________________ \
|| / 2 / 2 | || / 2 / 2 |
|| I \/ -36 + (6 - I) I \/ -36 + (6 - I) | || I \/ -36 + (6 - I) I \/ -36 + (6 - I) |
x1 = I*im|<3 - - - ------------------- for -3 + - + ------------------- <= 0| + re|<3 - - - ------------------- for -3 + - + ------------------- <= 0|
|| 2 2 2 2 | || 2 2 2 2 |
|| | || |
\\ nan otherwise / \\ nan otherwise /
$$x_{1} = \operatorname{re}{\left(\begin{cases} 3 - \frac{i}{2} - \frac{\sqrt{-36 + \left(6 - i\right)^{2}}}{2} & \text{for}\: -3 + \frac{\sqrt{-36 + \left(6 - i\right)^{2}}}{2} + \frac{i}{2} \leq 0 \\\text{NaN} & \text{otherwise} \end{cases}\right)} + i \operatorname{im}{\left(\begin{cases} 3 - \frac{i}{2} - \frac{\sqrt{-36 + \left(6 - i\right)^{2}}}{2} & \text{for}\: -3 + \frac{\sqrt{-36 + \left(6 - i\right)^{2}}}{2} + \frac{i}{2} \leq 0 \\\text{NaN} & \text{otherwise} \end{cases}\right)}$$
// ___________ ___________ \ // ___________ ___________ \
|| I \/ -1 + 12*I I \/ -1 + 12*I | || I \/ -1 + 12*I I \/ -1 + 12*I |
||3 + - + ------------- for 3 + - + ------------- >= 0| ||3 + - + ------------- for 3 + - + ------------- >= 0|
x2 = I*im|< 2 2 2 2 | + re|< 2 2 2 2 |
|| | || |
|| nan otherwise | || nan otherwise |
\\ / \\ /
$$x_{2} = \operatorname{re}{\left(\begin{cases} 3 + \frac{i}{2} + \frac{\sqrt{-1 + 12 i}}{2} & \text{for}\: 3 + \frac{i}{2} + \frac{\sqrt{-1 + 12 i}}{2} \geq 0 \\\text{NaN} & \text{otherwise} \end{cases}\right)} + i \operatorname{im}{\left(\begin{cases} 3 + \frac{i}{2} + \frac{\sqrt{-1 + 12 i}}{2} & \text{for}\: 3 + \frac{i}{2} + \frac{\sqrt{-1 + 12 i}}{2} \geq 0 \\\text{NaN} & \text{otherwise} \end{cases}\right)}$$
// ________________ ________________ \ // ________________ ________________ \
|| / 2 / 2 | || / 2 / 2 |
|| \/ -36 + (6 - I) I \/ -36 + (6 - I) I | || \/ -36 + (6 - I) I \/ -36 + (6 - I) I |
x3 = I*im|<3 + ------------------- - - for 3 + ------------------- - - >= 0| + re|<3 + ------------------- - - for 3 + ------------------- - - >= 0|
|| 2 2 2 2 | || 2 2 2 2 |
|| | || |
\\ nan otherwise / \\ nan otherwise /
$$x_{3} = \operatorname{re}{\left(\begin{cases} 3 + \frac{\sqrt{-36 + \left(6 - i\right)^{2}}}{2} - \frac{i}{2} & \text{for}\: 3 + \frac{\sqrt{-36 + \left(6 - i\right)^{2}}}{2} - \frac{i}{2} \geq 0 \\\text{NaN} & \text{otherwise} \end{cases}\right)} + i \operatorname{im}{\left(\begin{cases} 3 + \frac{\sqrt{-36 + \left(6 - i\right)^{2}}}{2} - \frac{i}{2} & \text{for}\: 3 + \frac{\sqrt{-36 + \left(6 - i\right)^{2}}}{2} - \frac{i}{2} \geq 0 \\\text{NaN} & \text{otherwise} \end{cases}\right)}$$
// ___________ ___________ \ // ___________ ___________ \
|| I \/ -1 + 12*I I \/ -1 + 12*I | || I \/ -1 + 12*I I \/ -1 + 12*I |
||3 + - - ------------- for 3 + - - ------------- >= 0| ||3 + - - ------------- for 3 + - - ------------- >= 0|
x4 = I*im|< 2 2 2 2 | + re|< 2 2 2 2 |
|| | || |
|| nan otherwise | || nan otherwise |
\\ / \\ /
$$x_{4} = \operatorname{re}{\left(\begin{cases} 3 - \frac{\sqrt{-1 + 12 i}}{2} + \frac{i}{2} & \text{for}\: 3 - \frac{\sqrt{-1 + 12 i}}{2} + \frac{i}{2} \geq 0 \\\text{NaN} & \text{otherwise} \end{cases}\right)} + i \operatorname{im}{\left(\begin{cases} 3 - \frac{\sqrt{-1 + 12 i}}{2} + \frac{i}{2} & \text{for}\: 3 - \frac{\sqrt{-1 + 12 i}}{2} + \frac{i}{2} \geq 0 \\\text{NaN} & \text{otherwise} \end{cases}\right)}$$
x4 = re(Piecewise((3 - sqrt(-1 + 12*i/2 + i/2, 3 - sqrt(-1 + 12*i)/2 + i/2 >= 0), (nan, True))) + i*im(Piecewise((3 - sqrt(-1 + 12*i)/2 + i/2, 3 - sqrt(-1 + 12*i)/2 + i/2 >= 0), (nan, True))))
Suma y producto de raíces
[src]
// ________________ ________________ \ // ________________ ________________ \ // ___________ ___________ \ // ___________ ___________ \ // ________________ ________________ \ // ________________ ________________ \ // ___________ ___________ \ // ___________ ___________ \
|| / 2 / 2 | || / 2 / 2 | || I \/ -1 + 12*I I \/ -1 + 12*I | || I \/ -1 + 12*I I \/ -1 + 12*I | || / 2 / 2 | || / 2 / 2 | || I \/ -1 + 12*I I \/ -1 + 12*I | || I \/ -1 + 12*I I \/ -1 + 12*I |
|| I \/ -36 + (6 - I) I \/ -36 + (6 - I) | || I \/ -36 + (6 - I) I \/ -36 + (6 - I) | ||3 + - + ------------- for 3 + - + ------------- >= 0| ||3 + - + ------------- for 3 + - + ------------- >= 0| || \/ -36 + (6 - I) I \/ -36 + (6 - I) I | || \/ -36 + (6 - I) I \/ -36 + (6 - I) I | ||3 + - - ------------- for 3 + - - ------------- >= 0| ||3 + - - ------------- for 3 + - - ------------- >= 0|
I*im|<3 - - - ------------------- for -3 + - + ------------------- <= 0| + re|<3 - - - ------------------- for -3 + - + ------------------- <= 0| + I*im|< 2 2 2 2 | + re|< 2 2 2 2 | + I*im|<3 + ------------------- - - for 3 + ------------------- - - >= 0| + re|<3 + ------------------- - - for 3 + ------------------- - - >= 0| + I*im|< 2 2 2 2 | + re|< 2 2 2 2 |
|| 2 2 2 2 | || 2 2 2 2 | || | || | || 2 2 2 2 | || 2 2 2 2 | || | || |
|| | || | || nan otherwise | || nan otherwise | || | || | || nan otherwise | || nan otherwise |
\\ nan otherwise / \\ nan otherwise / \\ / \\ / \\ nan otherwise / \\ nan otherwise / \\ / \\ /
$$\left(\left(\left(\operatorname{re}{\left(\begin{cases} 3 - \frac{i}{2} - \frac{\sqrt{-36 + \left(6 - i\right)^{2}}}{2} & \text{for}\: -3 + \frac{\sqrt{-36 + \left(6 - i\right)^{2}}}{2} + \frac{i}{2} \leq 0 \\\text{NaN} & \text{otherwise} \end{cases}\right)} + i \operatorname{im}{\left(\begin{cases} 3 - \frac{i}{2} - \frac{\sqrt{-36 + \left(6 - i\right)^{2}}}{2} & \text{for}\: -3 + \frac{\sqrt{-36 + \left(6 - i\right)^{2}}}{2} + \frac{i}{2} \leq 0 \\\text{NaN} & \text{otherwise} \end{cases}\right)}\right) + \left(\operatorname{re}{\left(\begin{cases} 3 + \frac{i}{2} + \frac{\sqrt{-1 + 12 i}}{2} & \text{for}\: 3 + \frac{i}{2} + \frac{\sqrt{-1 + 12 i}}{2} \geq 0 \\\text{NaN} & \text{otherwise} \end{cases}\right)} + i \operatorname{im}{\left(\begin{cases} 3 + \frac{i}{2} + \frac{\sqrt{-1 + 12 i}}{2} & \text{for}\: 3 + \frac{i}{2} + \frac{\sqrt{-1 + 12 i}}{2} \geq 0 \\\text{NaN} & \text{otherwise} \end{cases}\right)}\right)\right) + \left(\operatorname{re}{\left(\begin{cases} 3 + \frac{\sqrt{-36 + \left(6 - i\right)^{2}}}{2} - \frac{i}{2} & \text{for}\: 3 + \frac{\sqrt{-36 + \left(6 - i\right)^{2}}}{2} - \frac{i}{2} \geq 0 \\\text{NaN} & \text{otherwise} \end{cases}\right)} + i \operatorname{im}{\left(\begin{cases} 3 + \frac{\sqrt{-36 + \left(6 - i\right)^{2}}}{2} - \frac{i}{2} & \text{for}\: 3 + \frac{\sqrt{-36 + \left(6 - i\right)^{2}}}{2} - \frac{i}{2} \geq 0 \\\text{NaN} & \text{otherwise} \end{cases}\right)}\right)\right) + \left(\operatorname{re}{\left(\begin{cases} 3 - \frac{\sqrt{-1 + 12 i}}{2} + \frac{i}{2} & \text{for}\: 3 - \frac{\sqrt{-1 + 12 i}}{2} + \frac{i}{2} \geq 0 \\\text{NaN} & \text{otherwise} \end{cases}\right)} + i \operatorname{im}{\left(\begin{cases} 3 - \frac{\sqrt{-1 + 12 i}}{2} + \frac{i}{2} & \text{for}\: 3 - \frac{\sqrt{-1 + 12 i}}{2} + \frac{i}{2} \geq 0 \\\text{NaN} & \text{otherwise} \end{cases}\right)}\right)$$
// ___________ ___________ \ // ___________ ___________ \ // ________________ ________________ \ // ________________ ________________ \ // ___________ ___________ \ // ___________ ___________ \ // ________________ ________________ \ // ________________ ________________ \
|| I \/ -1 + 12*I I \/ -1 + 12*I | || I \/ -1 + 12*I I \/ -1 + 12*I | || / 2 / 2 | || / 2 / 2 | || I \/ -1 + 12*I I \/ -1 + 12*I | || I \/ -1 + 12*I I \/ -1 + 12*I | || / 2 / 2 | || / 2 / 2 |
||3 + - + ------------- for 3 + - + ------------- >= 0| ||3 + - - ------------- for 3 + - - ------------- >= 0| || \/ -36 + (6 - I) I \/ -36 + (6 - I) I | || I \/ -36 + (6 - I) I \/ -36 + (6 - I) | ||3 + - + ------------- for 3 + - + ------------- >= 0| ||3 + - - ------------- for 3 + - - ------------- >= 0| || \/ -36 + (6 - I) I \/ -36 + (6 - I) I | || I \/ -36 + (6 - I) I \/ -36 + (6 - I) |
I*im|< 2 2 2 2 | + I*im|< 2 2 2 2 | + I*im|<3 + ------------------- - - for 3 + ------------------- - - >= 0| + I*im|<3 - - - ------------------- for -3 + - + ------------------- <= 0| + re|< 2 2 2 2 | + re|< 2 2 2 2 | + re|<3 + ------------------- - - for 3 + ------------------- - - >= 0| + re|<3 - - - ------------------- for -3 + - + ------------------- <= 0|
|| | || | || 2 2 2 2 | || 2 2 2 2 | || | || | || 2 2 2 2 | || 2 2 2 2 |
|| nan otherwise | || nan otherwise | || | || | || nan otherwise | || nan otherwise | || | || |
\\ / \\ / \\ nan otherwise / \\ nan otherwise / \\ / \\ / \\ nan otherwise / \\ nan otherwise /
$$\operatorname{re}{\left(\begin{cases} 3 - \frac{i}{2} - \frac{\sqrt{-36 + \left(6 - i\right)^{2}}}{2} & \text{for}\: -3 + \frac{\sqrt{-36 + \left(6 - i\right)^{2}}}{2} + \frac{i}{2} \leq 0 \\\text{NaN} & \text{otherwise} \end{cases}\right)} + \operatorname{re}{\left(\begin{cases} 3 + \frac{i}{2} + \frac{\sqrt{-1 + 12 i}}{2} & \text{for}\: 3 + \frac{i}{2} + \frac{\sqrt{-1 + 12 i}}{2} \geq 0 \\\text{NaN} & \text{otherwise} \end{cases}\right)} + \operatorname{re}{\left(\begin{cases} 3 + \frac{\sqrt{-36 + \left(6 - i\right)^{2}}}{2} - \frac{i}{2} & \text{for}\: 3 + \frac{\sqrt{-36 + \left(6 - i\right)^{2}}}{2} - \frac{i}{2} \geq 0 \\\text{NaN} & \text{otherwise} \end{cases}\right)} + \operatorname{re}{\left(\begin{cases} 3 - \frac{\sqrt{-1 + 12 i}}{2} + \frac{i}{2} & \text{for}\: 3 - \frac{\sqrt{-1 + 12 i}}{2} + \frac{i}{2} \geq 0 \\\text{NaN} & \text{otherwise} \end{cases}\right)} + i \operatorname{im}{\left(\begin{cases} 3 - \frac{i}{2} - \frac{\sqrt{-36 + \left(6 - i\right)^{2}}}{2} & \text{for}\: -3 + \frac{\sqrt{-36 + \left(6 - i\right)^{2}}}{2} + \frac{i}{2} \leq 0 \\\text{NaN} & \text{otherwise} \end{cases}\right)} + i \operatorname{im}{\left(\begin{cases} 3 + \frac{i}{2} + \frac{\sqrt{-1 + 12 i}}{2} & \text{for}\: 3 + \frac{i}{2} + \frac{\sqrt{-1 + 12 i}}{2} \geq 0 \\\text{NaN} & \text{otherwise} \end{cases}\right)} + i \operatorname{im}{\left(\begin{cases} 3 + \frac{\sqrt{-36 + \left(6 - i\right)^{2}}}{2} - \frac{i}{2} & \text{for}\: 3 + \frac{\sqrt{-36 + \left(6 - i\right)^{2}}}{2} - \frac{i}{2} \geq 0 \\\text{NaN} & \text{otherwise} \end{cases}\right)} + i \operatorname{im}{\left(\begin{cases} 3 - \frac{\sqrt{-1 + 12 i}}{2} + \frac{i}{2} & \text{for}\: 3 - \frac{\sqrt{-1 + 12 i}}{2} + \frac{i}{2} \geq 0 \\\text{NaN} & \text{otherwise} \end{cases}\right)}$$
/ // ________________ ________________ \ // ________________ ________________ \\ / // ___________ ___________ \ // ___________ ___________ \\ / // ________________ ________________ \ // ________________ ________________ \\ / // ___________ ___________ \ // ___________ ___________ \\
| || / 2 / 2 | || / 2 / 2 || | || I \/ -1 + 12*I I \/ -1 + 12*I | || I \/ -1 + 12*I I \/ -1 + 12*I || | || / 2 / 2 | || / 2 / 2 || | || I \/ -1 + 12*I I \/ -1 + 12*I | || I \/ -1 + 12*I I \/ -1 + 12*I ||
| || I \/ -36 + (6 - I) I \/ -36 + (6 - I) | || I \/ -36 + (6 - I) I \/ -36 + (6 - I) || | ||3 + - + ------------- for 3 + - + ------------- >= 0| ||3 + - + ------------- for 3 + - + ------------- >= 0|| | || \/ -36 + (6 - I) I \/ -36 + (6 - I) I | || \/ -36 + (6 - I) I \/ -36 + (6 - I) I || | ||3 + - - ------------- for 3 + - - ------------- >= 0| ||3 + - - ------------- for 3 + - - ------------- >= 0||
|I*im|<3 - - - ------------------- for -3 + - + ------------------- <= 0| + re|<3 - - - ------------------- for -3 + - + ------------------- <= 0||*|I*im|< 2 2 2 2 | + re|< 2 2 2 2 ||*|I*im|<3 + ------------------- - - for 3 + ------------------- - - >= 0| + re|<3 + ------------------- - - for 3 + ------------------- - - >= 0||*|I*im|< 2 2 2 2 | + re|< 2 2 2 2 ||
| || 2 2 2 2 | || 2 2 2 2 || | || | || || | || 2 2 2 2 | || 2 2 2 2 || | || | || ||
| || | || || | || nan otherwise | || nan otherwise || | || | || || | || nan otherwise | || nan otherwise ||
\ \\ nan otherwise / \\ nan otherwise // \ \\ / \\ // \ \\ nan otherwise / \\ nan otherwise // \ \\ / \\ //
$$\left(\operatorname{re}{\left(\begin{cases} 3 - \frac{i}{2} - \frac{\sqrt{-36 + \left(6 - i\right)^{2}}}{2} & \text{for}\: -3 + \frac{\sqrt{-36 + \left(6 - i\right)^{2}}}{2} + \frac{i}{2} \leq 0 \\\text{NaN} & \text{otherwise} \end{cases}\right)} + i \operatorname{im}{\left(\begin{cases} 3 - \frac{i}{2} - \frac{\sqrt{-36 + \left(6 - i\right)^{2}}}{2} & \text{for}\: -3 + \frac{\sqrt{-36 + \left(6 - i\right)^{2}}}{2} + \frac{i}{2} \leq 0 \\\text{NaN} & \text{otherwise} \end{cases}\right)}\right) \left(\operatorname{re}{\left(\begin{cases} 3 + \frac{i}{2} + \frac{\sqrt{-1 + 12 i}}{2} & \text{for}\: 3 + \frac{i}{2} + \frac{\sqrt{-1 + 12 i}}{2} \geq 0 \\\text{NaN} & \text{otherwise} \end{cases}\right)} + i \operatorname{im}{\left(\begin{cases} 3 + \frac{i}{2} + \frac{\sqrt{-1 + 12 i}}{2} & \text{for}\: 3 + \frac{i}{2} + \frac{\sqrt{-1 + 12 i}}{2} \geq 0 \\\text{NaN} & \text{otherwise} \end{cases}\right)}\right) \left(\operatorname{re}{\left(\begin{cases} 3 + \frac{\sqrt{-36 + \left(6 - i\right)^{2}}}{2} - \frac{i}{2} & \text{for}\: 3 + \frac{\sqrt{-36 + \left(6 - i\right)^{2}}}{2} - \frac{i}{2} \geq 0 \\\text{NaN} & \text{otherwise} \end{cases}\right)} + i \operatorname{im}{\left(\begin{cases} 3 + \frac{\sqrt{-36 + \left(6 - i\right)^{2}}}{2} - \frac{i}{2} & \text{for}\: 3 + \frac{\sqrt{-36 + \left(6 - i\right)^{2}}}{2} - \frac{i}{2} \geq 0 \\\text{NaN} & \text{otherwise} \end{cases}\right)}\right) \left(\operatorname{re}{\left(\begin{cases} 3 - \frac{\sqrt{-1 + 12 i}}{2} + \frac{i}{2} & \text{for}\: 3 - \frac{\sqrt{-1 + 12 i}}{2} + \frac{i}{2} \geq 0 \\\text{NaN} & \text{otherwise} \end{cases}\right)} + i \operatorname{im}{\left(\begin{cases} 3 - \frac{\sqrt{-1 + 12 i}}{2} + \frac{i}{2} & \text{for}\: 3 - \frac{\sqrt{-1 + 12 i}}{2} + \frac{i}{2} \geq 0 \\\text{NaN} & \text{otherwise} \end{cases}\right)}\right)$$
/ / ________________ ________________ \
| | ___________ / 2 ___________ / 2 |
| | I \/ -1 + 12*I \/ -36 + (6 - I) I I \/ -1 + 12*I I \/ -36 + (6 - I) |
<81 for And|3 + - + ------------- >= 0, 3 + ------------------- - - >= 0, 3 + - - ------------- >= 0, -3 + - + ------------------- <= 0|
| \ 2 2 2 2 2 2 2 2 /
|
\nan otherwise
$$\begin{cases} 81 & \text{for}\: 3 + \frac{i}{2} + \frac{\sqrt{-1 + 12 i}}{2} \geq 0 \wedge 3 + \frac{\sqrt{-36 + \left(6 - i\right)^{2}}}{2} - \frac{i}{2} \geq 0 \wedge 3 - \frac{\sqrt{-1 + 12 i}}{2} + \frac{i}{2} \geq 0 \wedge -3 + \frac{\sqrt{-36 + \left(6 - i\right)^{2}}}{2} + \frac{i}{2} \leq 0 \\\text{NaN} & \text{otherwise} \end{cases}$$
Piecewise((81, (3 + i/2 + sqrt(-1 + 12*i)/2 >= 0)∧(3 + i/2 - sqrt(-1 + 12*i)/2 >= 0)∧(3 + sqrt(-36 + (6 - i)^2)/2 - i/2 >= 0)∧(-3 + i/2 + sqrt(-36 + (6 - i)^2)/2 <= 0)), (nan, True))