\(chung to da thuc fx=x^100 + x^75+x^50 +x^25 + x + 1 co nghiem la x =\)-1
cho da thuc f(x)=x^2+bx+c
Tim b,c biet f(x) co 2 nghiem 1, 2
giup mk nha
ă
tim nghiem da thuc 4x+9 , -5x+6 , x^2-1 , x^2-9 , x^2-x , x^2-2x , x^2-3x , 3x^2-4x
1)Tim he so a cua da thuc A(x)=-7x2-3y2 +9xy-2x2+y2,biet rang da thuc co1 nghiem bang\(\dfrac{1}{2}\)
2) Tim m, biet rang da thuc Q(x)=mx2 + 2mx -3co 1 nghiemx=-1
x2-12x+20
tim nghiem da thuc
Chung to rang neu a+b+c=0 thi x=1 la mot nghiem cua da thuc ax\(^2\)+bx+c.
Chung to da thuc M(x)=(x-3)2 + |2-x| vo nghiem
THONG CAM NHA TAI VI MAY MINH HK CAI BAN PHIM TIENG VIET . GIUP MK NHA CAC BAN. MAI MK KIEM TRA RUI
1. cho da thuc f(x)= x5 -2001 x4 +2001 x3-2001x2 2001 x-1.tính (f )=2000.
2.cho da thuc M=2x-x2+3 [x+1]
a. thu gon da thuc tren
b.tinh m khi x = -3 phan 2
Cho da thuc P(x) =ax2+bx+c
CMR Nếu p(x) nguyen thi 2a , a+b , c
