SOLUTION: This problem is giving me some trouble, will somebody please help! Find the value of the determinant: 2 3 10 0 1 5 -1 2 3 All inclosed in brackets! Thank you, Natalie

Algebra ->  Trigonometry-basics -> SOLUTION: This problem is giving me some trouble, will somebody please help! Find the value of the determinant: 2 3 10 0 1 5 -1 2 3 All inclosed in brackets! Thank you, Natalie      Log On


   

Question 149886: This problem is giving me some trouble, will somebody please help!
Find the value of the determinant:
2 3 10
0 1 5
-1 2 3
All inclosed in brackets!
Thank you, Natalie
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
2 3 10
0 1 5
-1 2 3
=====
Det = 2*(1*3 - 2*5) - 3*(0*3 - (-1)*5) + 10*(0*2 - (-1)*1)
= 2*(-7) - 3*(0 + 5) + 10*(0 + 1)
= -14 -15 + 10
= -19
It's important that you know HOW to do these.