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A(3,2) B(- 2, - 1)
![\left[\begin{array}{ccccc}x&y&1&x&y\\3&2&1&3&2\\- 2&- 1&1&- 2&- 1\end{array}\right] = 0 \\ \\ 2x - 2y - 3 + 4 + x - 3y = 0 \\ 3x - 5y + 1 = 0](https://tex.z-dn.net/?f=+%5Cleft%5B%5Cbegin%7Barray%7D%7Bccccc%7Dx%26amp%3By%26amp%3B1%26amp%3Bx%26amp%3By%5C%5C3%26amp%3B2%26amp%3B1%26amp%3B3%26amp%3B2%5C%5C-+2%26amp%3B-+1%26amp%3B1%26amp%3B-+2%26amp%3B-+1%5Cend%7Barray%7D%5Cright%5D+%3D+0+%5C%5C+%5C%5C++2x+-+2y+-+3+%2B+4+%2B+x+-+3y+%3D+0+%5C%5C+3x+-+5y+%2B+1+%3D+0+ "\left[\begin{array}{ccccc}x&y&1&x&y\\3&2&1&3&2\\- 2&- 1&1&- 2&- 1\end{array}\right] = 0 \\ \\ 2x - 2y - 3 + 4 + x - 3y = 0 \\ 3x - 5y + 1 = 0")
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