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cho bieu thuc 2n+1/n+5(n thuoc Z)
a, tim n de Pco gia tri la 1 so nguyen
b,tim gia tri lon nhat,gia tri nho nhat cua P
Cho A=n+1/n-2
a)Tim n thuoc Z de A co gia tri nguyen.
b)Tim n thuoc de A co gia tri nguyen lon nhat.
bai 1:tim x
a) (x+1/5)2+17/25=26/25
b)-1va 5/27-(3x-7/9)3=-24/27
bai 2:cho A=n+2/n-5 (n thuoc Z ;n khac 5).Tim x de A thuoc Z
cho phan so A = n - 5 / n+1 ( n thuoc Z , n khac -1)
a. Tim n de A toi gian
Cho B=9n-1/3n+2
a) tim n thuoc Z de B nhan gia tri nguyen
b)tim n thuoc z de B nhan gia tri lon nhat
Giup mk nhanh nhanh nha
1)cho phan so A=\(\frac{n+1}{n-2}\)
a tim n thuoc Z de A co gia tri nguyen
b tim n thuoc Z de A co gia tri lon nhat
tim gia tri lon nhat cua A=2018-/x-7/-/y+2/
tim gia tri nho nhat cua B /x-500/+/x-300/
tim n thuoc Z,biet: a,3.n+2 chia het cho n-1; b, n^2 +5 chia het cho n+1
cho phan so A= (6n- 1)/3n+2
tim n thuocZ de a co gia tri nguyen
tim n thuoc Z de a co gia tri lon nhat
Cau 1 .Tim n thuoc N de 2n + 5 / 3N +1 THUOC Z
Cau 2 . C = 1/11 + 1/12 + 1/13 +… + 1/70chung to C lon hon 4/3
