Preference

প্রশ্নঃ f(x) = x² + 1/x + 1 এর অনুরূপ কোনটি?

  1. ক.
    f(1) = 1
  2. খ.
    f(0) = 1
  3. গ.
    f(-1) = 3
  4. ঘ.
    f(1) = 3
উত্তরঃ
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