English

The equation of a line, which is parallel to ijk2i^+j^+3k^ and which passes through the point (5, –2, 4), is x-52=y+2-1=z-43.

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Question

The equation of a line, which is parallel to `2hat"i" + hat"j" + 3hat"k"` and which passes through the point (5, –2, 4), is `(x - 5)/2 = (y + 2)/(-1) = (z - 4)/3`.

Options

  • True

  • False

MCQ
True or False
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Solution

This statement is False.

Explanation:

Here, x1 = 5

y1 = – 2

z1 = 4;

a = 2

b = 1

c = 3

We know that the equation of line is `(x - x_1)/"a" = (y - y_1)/"b" = (z - z_1)/"c"`

⇒ `(x - 5)/2 = (y + 2)/1 = (z - 4)/3`

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Chapter 11: Three Dimensional Geometry - Exercise [Page 240]

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NCERT Exemplar Mathematics Exemplar [English] Class 12
Chapter 11 Three Dimensional Geometry
Exercise | Q 48 | Page 240
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