If (x,y) = (-1,-2) is the solution of some linear equation in two variable with value of determinant = 14, then what is Dx and Dy?
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Answer:
Step-by-step explanation:
Given D
x
=30,D
y
=42 and D=6
now x=
D
D
x
=
6
30
=5y=
D
D
y
=
6
42
=7
∴ The value of x and y is 5 and 7 respectively.
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