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Posted by **jannette** on Sunday, February 27, 2011 at 11:32pm.

7x+2y=0

2x-7y=0

x =

y =

- math -
**MathMate**, Monday, February 28, 2011 at 9:10amThe determinant of the left-hand side is

|7 2 |

|2 -7|

=-49-4

=-53

which is non-zero. This implies that the system is*not*dependent.

So apart from the trivial solution of x=0 and y=0, there is no*non-trivial*solution.

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