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Find the Angle Between the Lines Whose Direction Ratios Are A, B, C And B − C, C − A, A − B. - Mathematics

Find the angle between the lines whose direction ratios are aband b − cc − aa − b.

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Solution

The angle Q between the lines with direction cosines, abc and b − cc − aa − b, is given by,

Thus, the angle between the lines is 90°.

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APPEARS IN

NCERT Class 12 Maths
Chapter 11 Three Dimensional Geometry
Q 3 | Page 498
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