Trong không gian Oxyz, cho điểm  và đường thẳng . Đường thẳng đi qua A, vuông góc với d và cắt trục Oy có phương trình là:

Chia sẻ

Một số câu hỏi khác có thể bạn quan tâm.

• Choose the word that has the underlined part pronounced differently from the rest:

  campsite                           confident                           mile                        countryside

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

  Here's the computer program about that I told you.

• Choose the word that has the underlined part pronounced differently from the rest:

  strengthen                         throughout                          clothing                       think

• Choose the word that has the underlined part pronounced differently from the rest:

  firing                        confirm                          require                       desire

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

  That's the man who daughter is studying with me.

• Choose a word that has different stress pattern:

  television                     document                     variety                     beautiful

• Choose a word that has different stress pattern:

  constantly                       investment                         document                         basketball

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

  There would be a lecture by Mr. Brown next week.

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

  We've run out of cooking oil. I'll going to get some.

• Choose the word that has the underlined part pronounced differently from the rest:

  through                        house                         bound                            announce