Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • School
  • Explain Solution for RD Sharma Maths Class 12 Chapter 6 Adjoint and inverse of a Matrix Exercise very short answer type Question 26 maths textbook solution

Explain Solution for RD Sharma Maths Class 12 Chapter 6 Adjoint and inverse of a Matrix Exercise very short answer type Question 26 maths textbook solution

Answers (1)

VSQ : 26

Anawer :  -11

Given : A=\left[\begin{array}{cc}3 & 1 \\ 2 & -3\end{array}\right]

Hint : find \left | A \right | and then use the formula of \left | adjA \right |

Solution : A=\left[\begin{array}{cc}3 & 1 \\ 2 & -3\end{array}\right]

\left | A \right |=-9-2

=-11

Now ,\left | adjA \right |=\left | A \right |^{n-1}

=\left ( -11 \right )^{2-1}

=-11

Posted by

Infoexpert

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

PM Modi's Pariksha Pe Charcha 2025 to be held next month, registrations open till January 14
anam-khan

CBSE Board Exams 2025: Online portal for availing exemptions by CWSN students opens
anam-khan

Board Exams: States agree to equivalence; no question paper ‘jumbling’ from next year, says PARAKH CEO

Latest Question