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Miscellaneous·2011·Easy

The line mx + ny = 1 passes through the points (1, 2) and (2, 1). What is the value of m?

The line mx + ny = 1 passes through the points (1, 2) and (2, 1). What is the value of m?

Options

  1. a.

    1

    Correct answer
  2. b.

    3

  3. c.

    1/2

  4. d.

    1/3

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