tim tat ca cac gia tri nguyen cua n de phan so A=3n+2/n-1 co gia tri la so nguyen
tim cac gia tri nguyen cua n de phan so 6n-3 / 3n +1 co gia tri la so nguyen
Tim n de phan so \(\frac{3n+2}{n-1}\)co gia tri la so nguyen
Tim so tu nhien n de phan so \(\frac{3n+2}{n-1}\)co gia tri la so nguyen
Cho cac bieu thuc
A=n+6 phan n-5 va B=3n-9 phan n-6
a/ Tim gia tri nguyen cua n de A, B la phan so ?
b/ Tim gia tri nguyen cua n de A, B co gia tri nguyen?
c/ Tim gia tri nguyen cua n de A, B co gia tri nguyen lon nhat?
Cho A=n+3/n+2 voi n€z
a)tim dieu kien cua so nguyen n de A la phan so
b)tinh gia tri cua phan so A khi n=1;n=-1
c)tim so nguyen n de phan so A co gia tri la so nguyen
tim so nguyen n sao cho
phan so 3n+2\n-1 co gia tri la so nguyen
5, Tim gia tri nguyen cua n de cac phan so sau co gia tri la so nguyen
\(A=\frac{3n+4}{n-1}\)
\(B=\frac{6n-3}{3n+1}\)
A=n-1/n+2
a, Voi gia tri nao thi A la phan so
b, Tim so nguyen n de A=0
c,tim so nguyen n de A co gia tri nguyen