Coordinate in Space [Part 7] Class 12 Basic Math VVV IMP Question

Class 12 Basic Mathematics Coordinate in Space Direction Cosine , Direction, Angle between Two line Solution of important exam question

Part 1. Meaning of Direction Cosine and Angle between Two line

Part 2. Finding Direction Cosine of line passing through given points (a) O(0,0,0) and P(2,3,4)
(b) P(2,3, 6) and Q( 1, 4, 6)

Part 3. Relationship between Direction ratio and Direction Cosine
Find The direction cosine of line whose direction ratios are: (a) -1, 2, 2 (b) 2, 3, 6

Part 4. Find the angles of two lines whose direction ratios are 1, 2, 4 and -2, 1, 5

Part 5. Parallel and Perpendicular condition
Show that the line joining the points
(1, 2, 3) and (-1, -2, -3) is:
a) Parallel to the line joining the
points (2, 3, 4) and (5, 9, 13)

b) Perpendicular to the line
joining the points (2, 3, 4) and
(5, 9, 13)

Part 6. Find the direction cosine of the
lines with direction cosine
proportional to 3, -1, 1 and
-3, 2, 4.

Part 7. Finding Direction cosines of two lines represented by given equation l+m+n = 0 and 2lm-mn+2nl = 0

Basic Math Solution Class 12 Coordinate in space in Nepali
+2 NEB Class 12 Basic Math Science / Major math
Solution of Exam Question Basic math
Direction ratio, Direction cosine , Angle between two lines

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Kshitiz Subedi
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[mehakvirk]

Thank u sir other teacher solve this question vry hard so i m confused ur method is too easy ❤

[akyoutubechanel]

Sir majale bujidai xa yastai old is gold ko solution lier aunu hola all chpterko