if A is a square matrix of order 3 and |A|=5, then value of |2A'| is: -10 10 -40 - Maths - Determinants

Question

if A is a square matrix of order 3 and |A|=5, then value of |2A'|
is:

-10
10
-40
40

Suraj Basappa Belure · Accepted Answer

Dear student,
the solution is:
<img alt="" src=
"https://s3mn%20mnimgs%20com/img/shared/content_ck_images/ck_5fc3e58a2534a%20jpg"
style="width: 848px; height: 884px;">Regards

if A is a square matrix of order 3 and |A|=5, then value of |2A'| is: -10 10 -40 40

if A is a square matrix of order 3 and |A|=5, then value of |2A'| is:

-10

10

-40

40