16:I[69498,["15","static/chunks/b09b44eb-1be9d1c797224457.js","613","static/chunks/613-7ecf05843b23ea7e.js","9498","static/chunks/9498-536972c88c346823.js","8133","static/chunks/8133-2e5913d6b9cbb4e5.js","2974","static/chunks/2974-e30a2fb3b374b774.js","2854","static/chunks/2854-5efc40e95a9dc377.js","9809","static/chunks/9809-cc2ddc16fb8bef72.js","9830","static/chunks/9830-c6586922438cf538.js","5801","static/chunks/app/questions/%5Bslug%5D/page-c19cc0d1e2682287.js"],""] 18:I[66127,["15","static/chunks/b09b44eb-1be9d1c797224457.js","613","static/chunks/613-7ecf05843b23ea7e.js","9498","static/chunks/9498-536972c88c346823.js","8133","static/chunks/8133-2e5913d6b9cbb4e5.js","2974","static/chunks/2974-e30a2fb3b374b774.js","2854","static/chunks/2854-5efc40e95a9dc377.js","9809","static/chunks/9809-cc2ddc16fb8bef72.js","9830","static/chunks/9830-c6586922438cf538.js","5801","static/chunks/app/questions/%5Bslug%5D/page-c19cc0d1e2682287.js"],"QuestionDetailActions"] 19:I[77432,["15","static/chunks/b09b44eb-1be9d1c797224457.js","613","static/chunks/613-7ecf05843b23ea7e.js","9498","static/chunks/9498-536972c88c346823.js","8133","static/chunks/8133-2e5913d6b9cbb4e5.js","2974","static/chunks/2974-e30a2fb3b374b774.js","2854","static/chunks/2854-5efc40e95a9dc377.js","9809","static/chunks/9809-cc2ddc16fb8bef72.js","9830","static/chunks/9830-c6586922438cf538.js","5801","static/chunks/app/questions/%5Bslug%5D/page-c19cc0d1e2682287.js"],"Badge"] 17:T654,

Câu 5:

Cho hàm hai biến $z = arctg(y - x)$

Câu 5: Cho hàm hai biến z=arctg(y−x)z = arctg(y - x)z=arctg(y−x) . Vi phân toàn phần cấp một của z là:

Thông tin câu hỏi

Câu 5:

Cho hàm hai biến $z = arctg(y - x)$ . Vi phân toàn phần cấp một của z là: