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Exercise - 10.4 - Vector Algebra NCERT Solutions | Mathematics (Maths) Class 12 - JEE PDF Download

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NCERT Solutions for Class 12 Maths Chapter 10 – 
Vector Algebra  
Exercise 10.4                                                                        Page No: 454 
1. Find , if and 
Solution: 
It is given that, 
 
2. Find a unit vector perpendicular to each of the vector and , where and
. 
Solution: 
It is given that, 
Page 2


 
 
 
 
NCERT Solutions for Class 12 Maths Chapter 10 – 
Vector Algebra  
Exercise 10.4                                                                        Page No: 454 
1. Find , if and 
Solution: 
It is given that, 
 
2. Find a unit vector perpendicular to each of the vector and , where and
. 
Solution: 
It is given that, 
 
 
 
 
NCERT Solutions for Class 12 Maths Chapter 10 – 
Vector Algebra  
 
 
Solution: 
First, 
Page 3


 
 
 
 
NCERT Solutions for Class 12 Maths Chapter 10 – 
Vector Algebra  
Exercise 10.4                                                                        Page No: 454 
1. Find , if and 
Solution: 
It is given that, 
 
2. Find a unit vector perpendicular to each of the vector and , where and
. 
Solution: 
It is given that, 
 
 
 
 
NCERT Solutions for Class 12 Maths Chapter 10 – 
Vector Algebra  
 
 
Solution: 
First, 
 
 
 
 
NCERT Solutions for Class 12 Maths Chapter 10 – 
Vector Algebra  
 
4. Show that 
 
Solution: 
Page 4


 
 
 
 
NCERT Solutions for Class 12 Maths Chapter 10 – 
Vector Algebra  
Exercise 10.4                                                                        Page No: 454 
1. Find , if and 
Solution: 
It is given that, 
 
2. Find a unit vector perpendicular to each of the vector and , where and
. 
Solution: 
It is given that, 
 
 
 
 
NCERT Solutions for Class 12 Maths Chapter 10 – 
Vector Algebra  
 
 
Solution: 
First, 
 
 
 
 
NCERT Solutions for Class 12 Maths Chapter 10 – 
Vector Algebra  
 
4. Show that 
 
Solution: 
 
 
 
 
NCERT Solutions for Class 12 Maths Chapter 10 – 
Vector Algebra  
First, consider the LHS, 
We have 
 
5. Find ? and µ if . 
Solution: 
It is given that 
 
 
Page 5


 
 
 
 
NCERT Solutions for Class 12 Maths Chapter 10 – 
Vector Algebra  
Exercise 10.4                                                                        Page No: 454 
1. Find , if and 
Solution: 
It is given that, 
 
2. Find a unit vector perpendicular to each of the vector and , where and
. 
Solution: 
It is given that, 
 
 
 
 
NCERT Solutions for Class 12 Maths Chapter 10 – 
Vector Algebra  
 
 
Solution: 
First, 
 
 
 
 
NCERT Solutions for Class 12 Maths Chapter 10 – 
Vector Algebra  
 
4. Show that 
 
Solution: 
 
 
 
 
NCERT Solutions for Class 12 Maths Chapter 10 – 
Vector Algebra  
First, consider the LHS, 
We have 
 
5. Find ? and µ if . 
Solution: 
It is given that 
 
 
 
 
 
 
NCERT Solutions for Class 12 Maths Chapter 10 – 
Vector Algebra  
 
 
Solution: 
It is given that 
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