Answer :
Given, 
Now, 
∴ 
⇒ 
∴ 
Rate this question :
Determinants of Matrices of different order59 mins
Know All About Types of Relations53 mins
Interactive Quiz on Properties of Determinants43 mins
Battle of Graphs | various functions & their Graphs48 mins
Triangular Matrices & operations on matrices58 mins
Know About finding the Adjoint & Inverse Of Matrix46 mins
Complex Numbers | Full chapter Quiz55 mins
Determining a determinant63 mins
Lecture on Product of Determinants58 mins
Types of Matrices & Properties51 mins
Find the angle between two vectors 
and 
with magnitudes 1 and 2 respectively and when
If two vectors 
and 
are such that 
and 
then find the value of 
Show that area of the parallelogram whose diagonals are given by 
and 
is 
Also find the area of the parallelogram whose diagonals are 
Find the equation of a line passing through the point P(2, - 1, 3) and perpendicular to the lines
and 
Using vectors, find the area of the triangle ABC with vertices A (1, 2, 3), B (2, –1, 4) and C(4, 5, –1).
Mathematics - Board PapersFind the angle between the vectors 
and 
if 
and 
hence find a vector perpendicular to both 
and 
Find the position vector of the foot of perpendicular and the perpendicular distance from the point P with position vector 
to the plane 
Also find image of P in the plane.
If vectors 
and 
are such that, 
and 
is a unit vector, then write the angle between 
and 
.
