lập bảng xét dấu: \(\dfrac{2}{x-1}< \dfrac{5}{2x-1}\)

Complete each of the unfinished sentences in such a way that it has the same meaning as the sentence below it.

1) Minh isn't on the phone. It is hard to contact him. (which)

→ Minh ..................................................................................

2) She went out in spite of her sickness. (sick)

→ Although .............................................................................

3) Mary stayed with an English family when she was in English. (used to)

→ Mary .......................................................................................

Cho A(1;3) là đỉnh của ΔABC và \(x-2y=0\); \(y=0\) là phương trình các đường trung tuyến của tam giác này. Lập pt các cạnh.

giải hpt:

\(\left\{{}\begin{matrix}\left(2x+3y-2\right)\left(x-5y-3\right)=0\\x-3y=1\end{matrix}\right.\)