If the lines represented by the equation $6x^2 + 41xy - 7y^2 = 0$ make angles $\alpha$ and $\beta$ with the $x$-axis,then $\tan \alpha \cdot \tan \beta = $

  • A
    $-6/7$
  • B
    $6/7$
  • C
    $7/6$
  • D
    $-7/6$

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