Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • School
  • A=[(1, 2,1) (2, 3,1) (1, 1,5) ] proof (A^-1) ^-1=A

A=[(1, 2,1) (2, 3,1) (1, 1,5) ] proof (A^-1) ^-1=A

Answers (1)

best_answer

A=\left[\begin{array}{lll} 1 & 2 & 1 \\ 2 & 3 & 1 \\ 1 & 1 & 5 \end{array}\right]

Matrix A is invertible because its determinant is not equal to 0.

Therefore, 

(A-1)-1=A

Posted by

Divya Sharma

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 Board Result 2025 LIVE: Class 10th, 12th results by next week; DigiLocker codes, latest updates
anam-khan

Fake notice on CBSE 10th, 12th results 2025 in two-halves viral, board alerts students
anam-khan

CBSE Board Result 2025 LIVE: Class 10th, 12th results on cbse.nic.in soon; pass marks, DigiLocker code

Latest Question