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#30417 Bangla Language & Literature দ্বিঘাত সমীকরণ Level 0

সাধারণ দ্বিঘাত সমীকরণ ax2 + bx + c = 0 এর মূল দুটি হল--

  1. A -b + c2 -4ab
  2. B -b ± b2 - 4ac2a
  3. C -c ± c2 - 4ab2a
  4. D 4ac - b2a
Answer: B - -b ± b2 - 4ac2a

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