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Multiple choice

If $a,\ b,\ c$ are real and $a\neq b$, the roots of the equation $(a-b)x^{2}-2(a+b)x+(a-b)=0$

  1. real and equal

  2. real and unequal

  3. purely imaginary

  4. None of these

Reveal answer Fill a bubble to check yourself
B Correct answer

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