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Multiple choice

The roots of quadratic equations $ax^2+bx+c=0$ and $lx^2+mx+n=0$ are?

  1. Reciprocal if $\dfrac{a}{l}=\dfrac{b}{m}=\dfrac{c}{n}$
  2. Equal if $\dfrac{a}{n}=\dfrac{b}{m}=\dfrac{c}{l}$
  3. Reciprocal if $\dfrac{a}{n}=\dfrac{b}{m}=\dfrac{c}{l}$
  4. None of these

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