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On which of the following lines lies the...

On which of the following lines lies the point of intersection of the line, `(x-4)/(2)=(y-5)/(2)=(z-3)/(1)` and the plane, `x+y+z=2`?

A

`(x-4)/(2) = (y-5)/(2) = (z-5)/(-1)`

B

`(x+3)/(3) = (4-y)/(3) = (z+1)/(-2)`

C

`(x-2)/(2) = (y-3)/(2) = (z+3)/(3)`

D

`(x-1)/(1) = (y-3)/(2) = (z+4)/(-5)`

Text Solution

AI Generated Solution

The correct Answer is:
To find the point of intersection of the line given by the equation \((x-4)/(2)=(y-5)/(2)=(z-3)/(1)\) and the plane defined by the equation \(x+y+z=2\), we can follow these steps: ### Step 1: Parametrize the Line The line can be expressed in parametric form. Let \(\lambda\) be the parameter: - From \((x-4)/2 = \lambda\), we have \(x = 2\lambda + 4\). - From \((y-5)/2 = \lambda\), we have \(y = 2\lambda + 5\). - From \((z-3)/1 = \lambda\), we have \(z = \lambda + 3\). Thus, the parametric equations of the line are: \[ x = 2\lambda + 4, \quad y = 2\lambda + 5, \quad z = \lambda + 3 \] ### Step 2: Substitute into the Plane Equation Now we substitute \(x\), \(y\), and \(z\) into the plane equation \(x + y + z = 2\): \[ (2\lambda + 4) + (2\lambda + 5) + (\lambda + 3) = 2 \] ### Step 3: Simplify the Equation Combining like terms: \[ 2\lambda + 4 + 2\lambda + 5 + \lambda + 3 = 2 \] \[ 5\lambda + 12 = 2 \] ### Step 4: Solve for \(\lambda\) Now, isolate \(\lambda\): \[ 5\lambda = 2 - 12 \] \[ 5\lambda = -10 \] \[ \lambda = -2 \] ### Step 5: Find the Point of Intersection Substituting \(\lambda = -2\) back into the parametric equations: - For \(x\): \[ x = 2(-2) + 4 = -4 + 4 = 0 \] - For \(y\): \[ y = 2(-2) + 5 = -4 + 5 = 1 \] - For \(z\): \[ z = -2 + 3 = 1 \] Thus, the point of intersection is \((0, 1, 1)\). ### Step 6: Check Which Line Contains the Point Now we need to check which of the given lines contains the point \((0, 1, 1)\). We will substitute the coordinates into each line's equation. 1. **Option A**: Check if \((0, 1, 1)\) satisfies the line equation. \[ \frac{0 - 4}{2} = \frac{1 - 5}{2} = \frac{1 - 3}{1} \] This simplifies to: \[ -2 \neq -2 \neq -2 \quad \text{(not equal)} \] 2. **Option B**: Check if \((0, 1, 1)\) satisfies the line equation. \[ \frac{0 + 3}{3} = \frac{4 - 1}{3} = \frac{1 + 1}{-2} \] This simplifies to: \[ 1 = 1 \neq -1 \quad \text{(not equal)} \] 3. **Option C**: Check if \((0, 1, 1)\) satisfies the line equation. \[ \frac{0 - 2}{2} = \frac{1 - 3}{2} = \frac{1 + 3}{3} \] This simplifies to: \[ -1 \neq -1 \neq \frac{4}{3} \quad \text{(not equal)} \] 4. **Option D**: Check if \((0, 1, 1)\) satisfies the line equation. \[ \frac{0 - 1}{1} = \frac{1 - 3}{2} = \frac{1 + 4}{-5} \] This simplifies to: \[ -1 = -1 = -1 \quad \text{(all equal)} \] ### Conclusion The point of intersection \((0, 1, 1)\) lies on line D.
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VMC MODULES ENGLISH-THREE DIMENSIONAL GEOMETRY -JEE MAIN (ARCHIVE)
  1. A plane passing through the points (0, –1, 0) and (0, 0, 1) and making...

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  2. If the line, (x-1)/(2) = (y+1)/(3) = (z-2)/(4) meets the plane, x+2...

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  3. Find the vector equation of the plane through the line of intersection...

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  4. The length of the perpendicular from the point (2, -1, 4) on the strai...

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  5. The magnitude of the projection of the vector 2hati+3hatj+hatk on the ...

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  6. The equation of a plane containing the line of intersection of the pla...

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  7. about to only mathematics

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  8. A plane passing through three points (-lamda^2, 1, ) (1, -lamda^2, 1),...

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  9. The perpendicular distance from the origin to the plane containing the...

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  10. Two lines (x-3)/1 = (y+1)/3 = (z-6)/(-1) and (x+5)/7 = (y-2)/(-6) = (z...

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  11. If the point (2 , alpha , beta) lies on the plane which passes throug...

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  12. The plane containing the line (x-3)/2=(y+2)/(-1) =(z-1)/3 and also ...

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  13. The direction ratios of normal of a plane passing through two points (...

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  14. The plane which bisects the line segment joining the points (-3, -3, 4...

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  15. On which of the following lines lies the point of intersection of the ...

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  16. Find the plane passing through (4,-1,2) and parallel to the lines (x+2...

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  17. Let A be a point on the line vecr=(1-3mu)hati+(mu-1)hatj+(2+5mu)hatk a...

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  18. Equation of the plane containing the straight line (x)/(2)= (y)/(3)= (...

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  19. If plane through the intersection fo the planes x+y+z=1 and 2x+3y-z+4=...

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  20. The equation of the line passing through (-4, 3, 1), parallel to the p...

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