Amy and Stephanie were playing a number game. Amy picked a number and told Stephanie that if she added 9 to the number and multi
2 answers:
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Answer with explanation:
1. The given equations are
3x -5 y=2
-x+2 y= 0
⇒The matrix in the form of , AX=B, is
Adj.A=Transpose of cofactor of Matrix A
2.
The given equations are
x+y-z=2
x+z=7
2 x +y+z=13
⇒The matrix in the form of , AX=B, is