Math, asked by lokesh175, 1 year ago

If A is square matrix of order 3 such that | adj.A |=81, find | A |.

Answers

Answered by saurav01234567890

3

Refer to the ⬆️⬆️ attachment for ur ans!

Attachments:

Answered by kousalyaseshadri

0

Answer:

|adj A|= |A| ^n-1

81= |A| ^3-1

9^2= |A| ^2

+ or - 9 = |A|

Step-by-step explanation:

Previous Question

Next Question

Similar questions

History, 7 months ago

6. I started early to be on time, but I was There was a traffic jam!

Math, 7 months ago

ya - A cosx & B cosh x differential equations ...

Math, 7 months ago

in how many years will rupees 16000 amount to rupees 17640 at the rate 5% per annum compounded annually ...

Accountancy, 1 year ago

Following is the extract of the Balance Sheet of, Neelkant and Mahdev as on March 31, 2013: Balance Sheet as at March 31, 2013 Balance Sheet as at March 31, 2013 Balance Sheet as at March 31, 2013 Balance Sheet as at March 31, 2013 Amount Amount Liabilities Rs Assets Rs Neelkant’s Capital 10,00,000...

Physics, 1 year ago

Why rainbow is a bow...

Math, 1 year ago

A company decided to divide the bonus of ₹1,700,000 among its 250 employees. employees who have worked for less than 6 months gets a bonus of 4000 and all others get a bonus of 8000. how many employees haven't completed 6 months?

English, 1 year ago

Email to famous sports celebrity inviting to be the guest of honour of your school annual sports day...

Social Sciences, 1 year ago

Salient features of motor vehicle act 1988...