Cho x, y > 0 và x + 2y \(\ge5\)

Tìm Min H = \(x^2+2y^2+\dfrac{1}{x}+\dfrac{24}{y}\)

Ai có cách giải hay và dễ hiểu ko ạ

Cho x,y > 0 và x + 2y \(\ge\) 5

Tìm Min H = \(x^2+2y^2+\dfrac{1}{x}+\dfrac{24}{y}\)

Mark the letter A, B, C or D in your answer sheet to indicate the underlined part that needs correction in each of the following questions.

Fruit and vegetables should be carefully (A) washed whether (B) eaten fresh (C) or cook (D).

A. carefully

B. whether

C. fresh

D. cook

Tìm giá trị nhỏ nhất của hàm số y = e x - e - x - 2 ln ( x + 1 + x 2 )  với x ≥ 0  

A. 0

B. 10

C. 2

D. -10

Hình thang ABCD có C ^ + D ^ = 150 0 . Khi đó  A ^   +   B ^   =   ?  

A.  220 0    

B.  210 0

C.  200 0  

D.  180 0  

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions.

To get to work on time, they have to leave at 6.00am.

A. They always leave for work at 6.00 am.

B. They have to leave very early to catch a bus to work.

C. Getting to work on time, for them, means leaving at 6.00am.

D. Leaving at 6.00am, they have never been late for work.