Collinear Vectors
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The general values of satisfying the equation is
Let , and be three non - zero vectors such that no two of these are collinear. If the vector is collinear with , is collinear with then is equals to
(i) Two collinear vectors having the same magnitude are equal.
[→a×→b, →b×→c, →c×→a]is equal to
- 0
- [→a→b→c]2
- [→a→b→c]
- 2[→a→b→c]
Answer the following as true or false:
(i) a and -a are collinear.
(ii) Two collinear vectors are always equal in magnitude.
(iii) Two vectors having same magnitude are collinear.
(iv) Two collinear vectors having the same magnitude are equal.
- True
- False
Show that the points A(1, 2, 7), B(2, 6, 3) and C(3, 10, -1) are collinear.
The points and are the vertices of . (ii) Find the coordinates of the point on such that .
- {1, 2}
- {−2, −3}
- (−∞, 0)
- (0, ∞)
If are distinct and the points are collinear then find the value of .
(i) Two collinear vectors are always equal in magnitude.
- π2
- π3
- 2π3
- 5π3
- (−1, 3, 4)
- (1, −3, 4)
- (−1, −3, −4)
- (−1, 3, −4)
If , then is equal to
One possible condition for the three points and to be collinear, is
Vectors that may be subject to its parallel displacement without changing its magnitude and direction are called _________.
Free vectors
Parallel vectors.
Coinitial vectors
Collinear vectors.
- 5b−3a7b
- 4c−3b2c
- 5a−3b7a
- 4b−3c2b
- 2
- 4
- 6
- 8
(i) Two vectors having same magnitude are collinear.
There are points in a plane such that no three of them are in the same line except five points which are collinear. The number of triangles formed by these points is :