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Y=x-1+2/x-1 tìm đông biến nghịch biến trên hàm số

Y=x-1+2/x-1 tìm đông biến nghịch biến trên hàm số
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Y=x-1+2/x-1
tìm đông biến nghịch biến trên hàm số

User Masanori
by
7.6k points

1 Answer

7 votes

Answer:

y = 2

Explanation:


y = (x - 1 + 2)/(x - 1) \\ y = (x + 1)/(x - 1) \\ y * (x - 1) = x + 1 \\ y = x + 1 - (x - 1) \\ y = x + 1 - x + 1 \\ y = 2 \\

User Nalini
by
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