Đáp án: $m\ge 3$ hoặc $m\le -1$
Giải thích các bước giải:
Ta có:
$y=m^2-2m-3=(m+1)(m-3)$
Từ trục số
$\to m^2-2m-3\ge 0$
$\to m\ge 3$ hoặc $m\le -1$
let sb do sth make sb do sth would sooner do sth nghĩa là gì
lm bài chính xác giúp mk nếu ko mk sẽ báo vs mod đó nha
21.She dreams to spend her vacation in Ha Long bay ->She wishes___________________________________ 22.He had a lot of money, but now he doesn't ->He used______________________________________ 23.Scientists have discovered that there is water on Mars ->It has been_____________________________________ *Lm đúng 100%
Làm hộ mik bài 2 cái mik bận qua
Vẽ anime = app mediBang nha P/S: Giúp tui lấy lại bảng màu các kiểu dồ đi
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Mn giúp mình vs ạ mình đamg cần gấp vote luôn ạ
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Giải giúp mk với mk đang cần gấp Thanks !!!
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