Các câu hỏi tương tự
cho da thuc f(x) =2016x^4 -32(25k+2)x^2+ k^2-100 ( voi k la so thuc duong ). Biet da thuc co 3 nghiem phan biet a,b,c ( voi a<b<c). Tinh hieu a-c
Cho da thuc f(x)=2016x4-32(25k+2)x2+k2-100(voi k la so thuc duong cho truoc).Biet da thuc f(x) co dung 3 nghiem phan biet a,b,c(voi a<b<c).Tinh hieu cua a-c.
Cho Bt : n-3/n-5
a,Tinh gia tri cua A biet n = 6
b,So nguyen n phai co dieu kien gi de A la phan so ?
c, Tim n de A nhan gia tri nguyen
tim cac so nguyen duong a,b,c biet a^3-b^3-c^3=3abc va a^2=2(b+c)
nho giai thich ro ho minh nhe
Cho B(x)=ax^2 +bx+c(a b c la so nguyen). Biet B(x) chia het cho 3. CMR a b c chia het cho 3
a) cho 2 stn a va b voi a<b thoa man 3(a+b) =5(a-b)
tim thuong cua 2 so
b) Tim cac so Nguyen Duong a, b, c biet rang : a3-b3-c3 =3abc va a2=2(b+c)
cho 3 duong thang phan biet abc biet a vuong goc c va b vuong goc c thi
cho cac duong thang phan biet a,b,c neu a//b va a vuong goc c thi
tim a,b la so nguyen biet (3 a+1)b=3(a+2)