Tìm tất cả các số thực b, c sao cho số phức là nghiệm của phương trình .                 

Chia sẻ

Một số câu hỏi khác có thể bạn quan tâm.

• 1. Carney has a _________ commitment to write two new books in the next four years.

• 1. John cannot make a _____ to get married to Mary or stay single until he can afford a house and a car.

• Smoking is an extremely harmful habit. You should give it up immediately.

• She was tired, so she didn’t enjoy the party.

• A _______ is an official document that you receive when you have completed a course of study or training.

• A _______ is an official document that you receive when you have completed a course of study or training.

• If I _______ 10 years younger, I _______ the job.

• ________________this disaster would not have happened.

• Choose the word that differs from the other three in the position of primary stress .

• 1. If you _______ to my advice, you _______ in trouble now.