Chat with tutor

Ask Questions, Get Answers


If $A = \begin{bmatrix} 0 & -1 \\ 1& 0 \end{bmatrix}$, then which one of the following statement is not correct ?

( A ) $A^4 - I = A^2 + I$
( B ) $A^3 + I = A(A^2 -I)$
( C ) $A^3 - I = A(A -I)$
( D ) $A^3 + I = A(A^3 -I)$

Please log in or register to answer this question.

Help Clay6 to be free
Clay6 needs your help to survive. We have roughly 7 lakh students visiting us monthly. We want to keep our services free and improve with prompt help and advanced solutions by adding more teachers and infrastructure.

A small donation from you will help us reach that goal faster. Talk to your parents, teachers and school and spread the word about clay6. You can pay online or send a cheque.

Thanks for your support.
Please choose your payment mode to continue
Home Ask Homework Questions
Your payment for is successful.
Clay6 tutors use Telegram* chat app to help students with their questions and doubts.
Do you have the Telegram chat app installed?
Already installed Install now
*Telegram is a chat app like WhatsApp / Facebook Messenger / Skype.