Find the determinant of the matrix

x , y , z

1 , 1 , 1

y+z, x+z , x+y

should i get a real number?

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- January 25th 2010, 05:36 PMnameckDeterminant of matrix
Find the determinant of the matrix

x , y , z

1 , 1 , 1

y+z, x+z , x+y

should i get a real number? - January 25th 2010, 05:53 PMCalculus26Quote:

should i get a real number?

Not when there are variables as entries--just work it like any 3x3 det - January 25th 2010, 05:57 PMCalculus26
I spoke too soon after actually working this determinant I get 0.

In general you would have variables in the answer - January 25th 2010, 06:35 PMnameck
Got it!! Thanks Calculus26 =)