1 . a² - 3a, a² - 9, a² - 4a + 3 -এর গ.সা.গু. হবে--
- A. a(a - 3)(a - 1)
- B. (a - 3)(a - 1)(a + 3)
- C. (a - 3)
- D. (a - 3)(a + 3)
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1 . a² - 3a, a² - 9, a² - 4a + 3 -এর গ.সা.গু. হবে--
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