tim gia tri lon nhat cua phan so a/b biet: a co the nhan 1 trong cac gia tri sau 11,13,17,20.

Va b co the nhan 1 trong cac gia tri:4,7,25,36. 

(trả lời đi mình tick cho) Cả cách làm nha

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?

Bai 5   

a)Tim gia tri lon nhat cua A=2016 phan (x-2)² +(x-y)⁴+3

b)Tim cac gia tri cua x sao cho A=7-x phan x+2 co gia tri duong

cho phan so B=-10/5n-3

a)tim n de B co gia tri nguyen

b)tim gia tri lon nhat cua B

Tim gia  tri lon nhat va nho nhat cua phan so: ab/a+b

cho phan so \(B=\frac{4n+1}{2n-3}\)n thuoc z

a, tim n de phan so B toi gian

b, tim n de B dat gia tri nho nhat , gia tri lon nhat va tinh cac gia tri do.

cho A = 1/15 nhan 225/(8+2) + 3/14 nhan 196/(3x+6) (x thuoc Z; x khac -2 )

a) Rut gon A

b) Tim x thuoc Z de A thuoc Z

c) trong cac gia tri nguyen A tim gia tri lon nhat va gia tri nho nhat 

trong mat phang lay 2016 diem nao do A1,A2,A3,...,A2016. nguoi ta to tat ca cac trung diem cua cac doan thang noi cac cap diem trong so 2016 diem nay. goi T la so cac diem duoc to do . Tim gia tri lon nhat , gia tri nho nhat cua T

Cac ban giup minh nhe

tim so tu nhien n de phan so B=10n-3 _{phan 4n-10 dat gia tri lon nhat tim gia tri lon nhat do}