Q.

If A  is a non-singular matrix, then

see full answer

High-Paying Jobs That Even AI Can’t Replace — Through JEE/NEET

🎯 Hear from the experts why preparing for JEE/NEET today sets you up for future-proof, high-income careers tomorrow.
An Intiative by Sri Chaitanya

a

|A−1|=|A|

b

|A−1|=A−1

c

|A−1|=0

d

|A−1|==1|A|

answer is D.

(Unlock A.I Detailed Solution for FREE)

Detailed Solution

Since, |A|≠0,   therefore A−1 exist such that AA−1=I=A−1A                                                           ⇒    |AA−1|=|I|        ⇒ |A||A−1|=1                                                           ⇒|A−1|=1|A|
Watch 3-min video & get full concept clarity
score_test_img

Get Expert Academic Guidance – Connect with a Counselor Today!

whats app icon