Tìm tất cả các giá trị thực của tham số  sao cho hàm số  nghịch biến trên khoảng ?  

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Một số câu hỏi khác có thể bạn quan tâm.

• Find a mistake in the four underlined parts of the sentence and correct it:

  She was made stay at home all day to look after the children.

• Find a mistake in the four underlined parts of the sentence and correct it:

  By the ending of the 1960s, Neil Armstrong and Buzz Aldrin became the first human beings

  to walk on the moon.

• Find a mistake in the four underlined parts of the sentence and correct it:

  Forty years after Yuri Gagarin became the first man in orbit, Dennis Tito, an American

  businessman has become the world first space tourist.

• Find a mistake in the four underlined parts of the sentence and correct it:

  Dennis Tito blasted off on his trip to the International Space Station, had paid Russian

  space chiefs 20 million dollars for the privilege.

• Find a mistake in the four underlined parts of the sentence and correct it:

  Do they allow us use the office telephone for personal purpose?

• Find a mistake in the four underlined parts of the sentence and correct it:

  Although most people know that a list exists of the Seven World Wonders, but only few can name them.

• Find a mistake in the four underlined parts of the sentence and correct it:

  The list of the Seven Wonders of the Ancient World is originally compiled around the second century BC.

• Find a mistake in the four underlined parts of the sentence and correct it:

  Today, archaeological evidence reveals some of the mysteries that surrounded the history

  of the Wonders in centuries.

• Find a mistake in the four underlined parts of the sentence and correct it:

  The Statue of Zeus at Olympia was one of the Seven Wonder of the Ancient World.

• Find a mistake in the four underlined parts of the sentence and correct it:

  The circumstances of its eventual destructive are a source of debate that whether it was

  destroyed in a great fire in 475 or not.