NCERT Solutions for Class 12 Maths Chapter 4 Exercise 4.5 Determinants
NCERT Solutions for Class 12 Maths Chapter 4 Exercise 4.5: This page consist of detail and accurate NCERT Solutions For Class 12 Maths Chapter 4-Determinants Exercise 4.5 prepared as per the requirements of CBSE board.
Krati Saraswat11 Jan, 2024
Share
NCERT Solutions for Class 12 Maths Chapter 4 Exercise 4.5 Determinants
NCERT Solutions for Class 12 Maths Chapter 4 Exercise 4.5 Determinants is prepared by academic team of Physics Wallah. We have prepared NCERT Solutions for all exercise of chapter 4. Given below is step by step solutions of all questions given in NCERT Solutions for Class 12 Maths Chapter 4 Exercise 4.5.NCERT Solutions for Class 12 Maths Chapter 4 Exercise 4.5
Solve The Following Questions NCERT Solutions for Class 12 Maths Chapter 4 Exercise 4.5
Find adjoint of each of the matrices in Exercise 1 and 2. Question 1.
Solution :
Question
2.
Solution :
Solution :
Solution :
Let A =
Solution :
Question
6.
Solution :
| NCERT Solutions for Class 12 Maths Chapter 2 Exercise 2.1 | NCERT Solutions for Class 12 Maths Chapter 2 Exercise 2.2 |
| NCERT Solutions for Class 12 Maths Chapter 2 Miscellaneous Exercise | |
Solution :
Question
8.
Solution :
Question
9.
Solution :
Question
10.
Solution :
Let A =
Question
11.
Solution :
Question
12. Let
Solution :
Question 1
3. If A =
, show that A2 – 5A + 7I = 0. Hence find A
-1
Solution :
Question
14. For the matrix A =
find numbers
a and b such that
A
2
+
aA
+
bI
=
O
.
Solution :
Question
15. For the matrix A =
, show that
A
3
− 6
A
2
+ 5
A
+ 11
I
= O. Hence, find
A
−1.
Solution :
Question
16. If A =
, verify that
A
3
− 6
A
2
+ 9
A
− 4
I
=
O
and hence find
A
−1
Solution :
Question
17. Let A be a non-singular matrix of order 3 x 3. Then |adjA| is equal to:
(A) |A|
(B) |A|
2
(C) |A|
3
(D) 3|A|
Solution :
Therefore, option (B) is correct.
Question
18. If A is an invertible matrix of order 2, then det (
A
−1
) is equal to:
(A) det A
(B) 1/det A
(C) 1
(D) 0
Solution :
Therefore, option (B) is correct.
🔥 Trending Blogs
Talk to a counsellorHave doubts? Our support team will be happy to assist you!
Join 15 Million students on the app today!
Live & recorded classes available at easeDashboard for progress trackingMillions of practice questions at your fingertips
Free Learning Resources
PW Books
Notes (Class 10-12)
PW Study Materials
Notes (Class 6-9)
Ncert Solutions
Govt Exams
Class 6th to 12th Online Courses
Govt Job Exams Courses
UPSC Coaching
Defence Exam Coaching
Gate Exam Coaching
Other Exams
Know about Physics Wallah
Physics Wallah is an Indian edtech platform that provides accessible & comprehensive learning experiences to students from Class 6th to postgraduate level. We also provide extensive NCERT solutions, sample paper, NEET, JEE Mains, BITSAT previous year papers & more such resources to students. Physics Wallah also caters to over 3.5 million registered students and over 78 lakh+ Youtube subscribers with 4.8 rating on its app.
We Stand Out because
We provide students with intensive courses with India’s qualified & experienced faculties & mentors. PW strives to make the learning experience comprehensive and accessible for students of all sections of society. We believe in empowering every single student who couldn't dream of a good career in engineering and medical field earlier.
Our Key Focus Areas
Physics Wallah's main focus is to make the learning experience as economical as possible for all students. With our affordable courses like Lakshya, Udaan and Arjuna and many others, we have been able to provide a platform for lakhs of aspirants. From providing Chemistry, Maths, Physics formula to giving e-books of eminent authors like RD Sharma, RS Aggarwal and Lakhmir Singh, PW focuses on every single student's need for preparation.
What Makes Us Different
Physics Wallah strives to develop a comprehensive pedagogical structure for students, where they get a state-of-the-art learning experience with study material and resources. Apart from catering students preparing for JEE Mains and NEET, PW also provides study material for each state board like Uttar Pradesh, Bihar, and others
Copyright © 2025 Physicswallah Limited All rights reserved.
