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The plane containing the line $$\frac{x-1}{1} = \frac{y-2}{2} = \frac{z-3}{3}$$ and parallel to the line $$\frac{x}{1} = \frac{y}{1} = \frac{z}{4}$$ passes through the point:
The plane contains the line given by $$\frac{x-1}{1} = \frac{y-2}{2} = \frac{z-3}{3}$$. This line passes through the point $$(1, 2, 3)$$ and has a direction vector $$\vec{d_1} = \langle 1, 2, 3 \rangle$$. The plane is also parallel to the line $$\frac{x}{1} = \frac{y}{1} = \frac{z}{4}$$, which has a direction vector $$\vec{d_2} = \langle 1, 1, 4 \rangle$$.
Since the plane contains the first line, it must pass through $$(1, 2, 3)$$ and be parallel to $$\vec{d_1}$$. Additionally, because it is parallel to the second line, it must be parallel to $$\vec{d_2}$$. Therefore, the plane is parallel to both vectors $$\vec{d_1}$$ and $$\vec{d_2}$$. The normal vector $$\vec{n}$$ to the plane is perpendicular to both direction vectors and can be found using their cross product:
$$\vec{n} = \vec{d_1} \times \vec{d_2} = \begin{vmatrix} \vec{i} & \vec{j} & \vec{k} \\ 1 & 2 & 3 \\ 1 & 1 & 4 \end{vmatrix}$$
Expanding the determinant:
$$\vec{n} = \vec{i}(2 \cdot 4 - 3 \cdot 1) - \vec{j}(1 \cdot 4 - 3 \cdot 1) + \vec{k}(1 \cdot 1 - 2 \cdot 1)$$
Calculating each component:
For the $$\vec{i}$$-component: $$2 \cdot 4 = 8$$, $$3 \cdot 1 = 3$$, so $$8 - 3 = 5$$.
For the $$\vec{j}$$-component: $$1 \cdot 4 = 4$$, $$3 \cdot 1 = 3$$, so $$4 - 3 = 1$$, but since it is subtracted, we have $$-1$$.
For the $$\vec{k}$$-component: $$1 \cdot 1 = 1$$, $$2 \cdot 1 = 2$$, so $$1 - 2 = -1$$.
Thus, $$\vec{n} = \langle 5, -1, -1 \rangle$$.
The plane passes through the point $$(1, 2, 3)$$, so its equation is:
$$\vec{n} \cdot (\langle x, y, z \rangle - \langle 1, 2, 3 \rangle) = 0$$
Substituting $$\vec{n}$$:
$$\langle 5, -1, -1 \rangle \cdot \langle x-1, y-2, z-3 \rangle = 0$$
This simplifies to:
$$5(x - 1) - 1(y - 2) - 1(z - 3) = 0$$
Expanding each term:
$$5(x - 1) = 5x - 5$$
$$-1(y - 2) = -y + 2$$
$$-1(z - 3) = -z + 3$$
Combining all:
$$5x - 5 - y + 2 - z + 3 = 0$$
Simplifying the constants:
$$5x - y - z - 5 + 2 + 3 = 0$$
$$5x - y - z + 0 = 0$$
So the plane equation is:
$$5x - y - z = 0$$
Now, check which option point satisfies this equation.
Option A: $$(1, -2, 5)$$
Substitute $$x = 1$$, $$y = -2$$, $$z = 5$$:
$$5(1) - (-2) - 5 = 5 + 2 - 5 = 2 \neq 0$$
Not satisfied.
Option B: $$(1, 0, 5)$$
Substitute $$x = 1$$, $$y = 0$$, $$z = 5$$:
$$5(1) - 0 - 5 = 5 - 0 - 5 = 0$$
Satisfied.
Option C: $$(0, 3, -5)$$
Substitute $$x = 0$$, $$y = 3$$, $$z = -5$$:
$$5(0) - 3 - (-5) = 0 - 3 + 5 = 2 \neq 0$$
Not satisfied.
Option D: $$(-1, -3, 0)$$
Substitute $$x = -1$$, $$y = -3$$, $$z = 0$$:
$$5(-1) - (-3) - 0 = -5 + 3 - 0 = -2 \neq 0$$
Not satisfied.
Only Option B satisfies the plane equation. Hence, the plane passes through the point $$(1, 0, 5)$$.
So, the answer is Option B.
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