# How do you find the determinant of #((0, 1, 2, 3), (0, 0, 2, 0), (3, 10, 12, 20), (0, 0, 0, 4))#?

##### 1 Answer

given by

and

is given by

and

is given by

In fact you can develop on what line or column you want, find one which have most

Then remember formula

Complex ? not really

here you develop the determinant in line because

here it's simple,

repeat that until you have