Maths-
General
Easy
Question
If 
and 
are two values of a for which the unit vector 
is linearly dependent with 
and 
then 
is equal to
- 1
The correct answer is:
Related Questions to study
Maths-
are three vectors such that 
and 
for 
. Then the value of 
is equal to
are three vectors such that and for . Then the value of is equal to
Maths-General
Maths-
The point which is at a distance of 12 units from the point whose position vector is 
on the line which is parallel to 
is 
then 
The point which is at a distance of 12 units from the point whose position vector is on the line which is parallel to is then
Maths-General
Maths-
A unit vector 
in the plane of 
is such that 
where 
is
A unit vector in the plane of is such that where is
Maths-General
Maths-
If 
. Then altitude of the parallel piped formed by the vectors 
having base formed by 
is 
and 
, 
are reciprocal system of vectors)
If . Then altitude of the parallel piped formed by the vectors having base formed by is and , are reciprocal system of vectors)
Maths-General
Maths-
If the four faces of a tetrahedron are represented by the equations 
and 
then volume of the tetrahedron (in cubic units) is
If the four faces of a tetrahedron are represented by the equations and then volume of the tetrahedron (in cubic units) is
Maths-General
Maths-
If 
where 
, then the value of 
is
If where , then the value of is
Maths-General
Maths-
The vector 
turn by a right angle about origin 
so that it passes through 
. then the vector in new position is
The vector turn by a right angle about origin so that it passes through . then the vector in new position is
Maths-General
Maths-
The vectors 
and 
are coplanar where a,b,c are real and distinct from 1 . Then 
The vectors and are coplanar where a,b,c are real and distinct from 1 . Then
Maths-General
Maths-
The number of integer values of 
for which the vectors 
and 
are coplanar is
The number of integer values of for which the vectors and are coplanar is
Maths-General
Maths-
The distance of the point 
from the line parallel to vector 
and passing through the point 
is
The distance of the point from the line parallel to vector and passing through the point is
Maths-General
Maths-
The position vector of the centre of the circle 
The position vector of the centre of the circle
Maths-General
Maths-
Let 
, A vector in a plane of 
and 
whose projection on has the magnitude 
is
Let , A vector in a plane of and whose projection on has the magnitude is
Maths-General
Maths-
The position vector of a point 
is given by 
where 
and 
. Then the number of possible positions of such that 
is
The position vector of a point is given by where and . Then the number of possible positions of such that is
Maths-General
Maths-
If A,B,C are three points with position vectors 
and 
respectively, then the points are collinear if
If A,B,C are three points with position vectors and respectively, then the points are collinear if
Maths-General
Maths-
and 
be the three vectors 
vector 
in the plane of 
whose projection of 
is 
is given by
and be the three vectors vector in the plane of whose projection of is is given by
Maths-General
