SOLUTION: Please help me find A⁻¹ for A =(see row) and use A⁻¹ to solve the system. Thanks. Row: https://s10.postimg.org/mfyypqw89/image.png

Algebra ->  Test -> SOLUTION: Please help me find A⁻¹ for A =(see row) and use A⁻¹ to solve the system. Thanks. Row: https://s10.postimg.org/mfyypqw89/image.png      Log On


   

Question 1078491: Please help me find A⁻¹ for A =(see row) and use A⁻¹ to solve the system. Thanks.
Row: https://s10.postimg.org/mfyypqw89/image.png
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
A=%28matrix%283%2C3%2C%0D%0A-2%2C2%2C3%2C%0D%0A1%2C-1%2C0%2C%0D%0A0%2C1%2C4%29%29
The determinant of the matrix is,
abs%28A%29=3
and the inverse of the matrix is,

No system given to solve.