Content covered: 

If the eigen value of the matrix is 1, 2 and 3 then find the eigen value of following:

(a)    A-1

(b)    A+ 4A + I

(c)    Adj(A)

shelly jain @shellygangwal
17 Dec 2014 06:59 pm
SUBHASH KUMAR @subhashsangam
6 Feb 2017 12:46 am

Sir, |A| will be 6 in the above example as product of eigen values = |A|

KEVAL @kevalmalde
27 Aug 2017 10:54 am

If A^-1 |A| the it should be 6,6/1,6/3 for Adj(A)

Akash Panda @akashpanda
7 Jan 2018 01:38 pm

|A| = 6  as |A| = product of eigen values.