Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • School
  • Need solution for RD Sharma Maths Class 12 Chapter 6 Adjoint and Inverse of Matrix Excercise Fill in the Blanks Question 12

Need solution for RD Sharma Maths Class 12 Chapter 6 Adjoint and Inverse of Matrix Excercise Fill in the Blanks Question 12

Answers (1)

best_answer

Answer  \rightarrow 2 / 5

Hint  \rightarrow \operatorname{det}\left(A^{-1}\right)=1 / \operatorname{det}(A)

Given  \rightarrow A is a square matrix of order 3 such that |A|=5 / 2

Explanation   \rightarrow\left|A A^{-1}\right|=1

          \begin{aligned} &|A|\left|A^{-1}\right|=1 \\\\ &\left|A^{-1}\right|=\frac{1}{|A|}=\frac{1}{\frac{5}{2}} \\\\ &\left|A^{-1}\right|=2 / 5 \end{aligned}

Posted by

infoexpert27

View full answer

Crack CUET with india's "Best Teachers"

  • HD Video Lectures
  • Unlimited Mock Tests
  • Faculty Support
cuet_ads

Similar Questions

Trending Articles/News

anam-khan

CBSE Supplementary Exam 2025: Registrations open for Class 10, 12 private students today
anam-khan

CBSE opens application to access 10th answer scripts; verification, revaluation for Class 12 starts on May 31
anam-khan

CBSE supplementary exams 2025 from July 15; form submission starts on May 30

Latest Question