In the previous article , we have solve the solutions of Ex-2B of Vector Product chapter of S N Dey mathematics class 12 book of Chhaya maths. In this article, we will discuss the solutions of Ex-2B of Product of two vectors chapter.

Vector Product | S N Dey mathematics class 12 Solutions of Ex-2A
If
and
find the value of
Solution.
If
and
find
Solution.
If
and
find
Solution.
The vectors which determine the sides of the parallelopiped are given below ; In each case find the volume of the parallelopiped .
Solution.
let
So, the volume of the parallelopiped is :
Solution.
Let
So, the volume of the parallelopiped is :
Solution.
Let
So, the volume of the parallelopiped is :
In each of the following show that the given vectors are coplanar.
Solution.
Let Then,
Since hence the given vectors are coplanar.
Solution.
Since, hence the given vectors are coplanar.
Solution.
Hence, from the result obtained from we can conclude that the given vectors are coplanar.
Note[*] :
If
find
and interpret the result.
Solution.
Since, hence the given vectors are coplanar.
If the vectors
and
are coplanar, find the value of
Solution.
let
Since are coplanar,
If the vectors
and
are coplanar , find the value of
Solution.
If the vectors are coplanar, then
To download full solution PDF of Products of Two Vectors (S N De) , click here .
The position vectors of four points
and
are given below. In each case, using vector method prove that the four points
and
are coplanar.
Solution.
are coplanar and so, the four points
and
are coplanar.
Solution.
are coplanar and so, the four points
and
are coplanar.
If the vectors
and
are coplanar, then find the value of
Solution.
let and
If the vectors and
are coplanar,
If the vectors
and
are coplanar, find
in terms of
Solution.
If the vectors are coplanar,
Prove that,
Solution.
Solution.
and
then find the value of
Solution.
If the vectors
and
be coplanar, show that
Solution.
let
If are coplanar, then
Let
and
then, if
and
find
which makes
and
coplanar.
Solution.
Since are coplanar, then
Find
such that the four points
and
are coplanar.
Solution.
let
If the four points are coplanar,
are coplanar.