Các câu hỏi tương tự
Cho minh hoi bai nay. Chi can tra loi 1 cau cung duoc! Tick cho ai tra loi som nhat, day du nhat.
1. Cho so huu ti y=2a-1/-3. Voi gia tri nao cua a thi y la so duong, y la so am, khong phai so duong cung phai so am?
2. Cho so huu ti x=a-5/a (a khac 0). Voi gia tri nao cua a thi x la so nguyen?
3. Cho so huu ti x=a-3/2a (a khac 0). Voi gia tri nao cua a thi x la so nguyen?
cho so huu ti x = a-5 /a ( akhac 0)
voi gia tri nguyen nao cua a thi x nguyen
voi gia tri nao cua x thi a+x>a-x
voi gia tri nao cua x thi a+x<a-x
1Cho so huu ti x= a−3/2 voi gia tri nao cua a thi : a,x>0 b,x<0 c,ko la so huu ti duong cung ko la so huu ti am
Cho biểu thức A = x^2+3/x-2
a tim dieu kien cua x de gia tri cua bieu thuc khong xac dinh duoc
b. Voi nhung gia tri nao cua x thi bieu thuc A nhan gia tri la so a
cho bieu thuc Q=5.x^(k+2)+3.x^k+2.x^(k+2)+4.x^k+x^(k+2)+x^k (k la so tu nhien).voi gia tri nao cua x va k thi Q<0
voi gia tri nao cua x ta co: /x/ +x=0
voi gia tri nguyen nao cua x thi bieu thuc A=2015-2x/1-x co GTLN
cho so huu ti \(x=\frac{a+17}{a}\left(a\ne0\right)\) , voi gia tri nguyen nao cua a thi x la so nguyen