Find all a for which the lines represented by the equations 2y+3+x=0 and 3y+ax+2=0 are perpendicular

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- February 26th 2007, 03:50 PMRimasPerpendicular Lines
Find all a for which the lines represented by the equations 2y+3+x=0 and 3y+ax+2=0 are perpendicular

- February 26th 2007, 04:15 PMtopsquark
- February 26th 2007, 04:22 PMPlato