Trong không gian Oxyz, cho hai mặt phẳng (P): 2x + ky + 3z – 5 = 0 và (Q): mx – 6y – 6 z + 2 = 0. Xác định giá trị k và m để hai mặt phẳng (P) và (Q) song song nhau.

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:

  says              plays              days             raise

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

  pull              during              pure            cure

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

  than                theater                  theory                thorough

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

  diving           discover          discipline            divide

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

  luxury               example                exist              exempt

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

  thing               thought                 though                 thumb

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

  cure               tutor               sure             pure

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

  strives              states                stays            studies

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

  bill              child                wild                mild

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

  loudly               without                thousand              brought