2n-1:n+1
2(n+1)-3:n+1
vậy 2(n+1):n+1=>3:n+1=>n+1\(\inƯ\left(3\right)=\left(1;-1;3;-3\right)\)
nếu n+1=1=>n=0
n+1=-1=>n=-2
n+1=3=>n=2
n+1=-3=>n=-4
với n\(\in\left(0;-2;2;-4\right)thì\)2n-1:n+1
Đúng 0
Bình luận (0)