Question

How you factorize this? `abs((4,4,m),(6,m,3),(m+3,3,4))`

Answer 1

To be comtd........

Explanation:

Let, `D=|(4,4,m),(6,m,3),(m+3,3,4)|,`

`=4|(m,3),(3,4)|-4|(6,3),(m+3,4)|+m|(6,m),(m+3,3)|,`

`=4(4m-9)-4(24-3m-9)+m(18-m^2-3m),`

`=16m-36-96+12m+36+18m-m^3-3m^2,`

`=-96+46m-3m^2-m^3,`