NCERT Solutions for Class 12 Maths Chapter 10 Vector Algebra Ex 10.4 are part of NCERT Solutions for Class 12 Maths. Here we have given NCERT Solutions for Class 12 Maths Chapter 10 Vector Algebra Ex 10.4.
Board | CBSE |
Textbook | NCERT |
Class | Class 12 |
Subject | Maths |
Chapter | Chapter 10 |
Chapter Name | Vector Algebra |
Exercise | Ex 10.4 |
Number of Questions Solved | 12 |
Category | NCERT Solutions |
NCERT Solutions for Class 12 Maths Chapter 10 Vector Algebra Ex 10.4
Ex 10.4 Class 12 Maths Question 1.
Find
Solution:
Given
NCERT Maths Class 12 Chapter 10
Ex 10.4 Class 12 Maths Question 2.
Find a unit vector perpendicular to each of the vector , where
Solution:
we have
Ex 10.4 Class 12 Maths Question 3.
If a unit vector makes angle
and an acute angle θ with
,then find θ and hence the components of
.
Solution:
Ex 10.4 Class 12 Maths Question 4.
Show that
Solution:
LHS =
Ex 10.4 Class 12 Maths Question 5.
Find λ and μ if
Solution:
Ex 10.4 Class 12 Maths Question 6.
Given that . What can you conclude about the vectors
?
Solution:
Ex 10.4 Class 12 Maths Question 7.
Let the vectors are given
. Then show that
Solution:
Given
are given
Ex 10.4 Class 12 Maths Question 8.
If either .Is the
converse true? Justify your answer with an example.
Solution:
Ex 10.4 Class 12 Maths Question 9.
Find the area of the triangle with vertices A (1,1,2), B (2,3,5) and C (1,5,5).
Solution:
A (1,1,2), B (2,3,5) and C (1,5,5).
Ex 10.4 Class 12 Maths Question 10.
Find the area of the parallelogram whose adjacent sides are determined by the vectors
Solution:
We have
Ex 10.4 Class 12 Maths Question 11.
Let the vectors such that
then
is a unit vector if the angle between
is
(a)
(b)
(c)
(d)
Solution:
Given
Ex 10.4 Class 12 Maths Question 12.
Area of a rectangles having vertices
(a) sq units
(b) 1sq.units
(c) 2sq.units
(d) 4sq.units
Solution:
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