Các câu hỏi tương tự
a, Cho F(x) = a x+b . Tim a,b biet f(0) = 3 va F(2) =-1
b, Cho F(x) =a x+ b. Tim a,b biet F(1) = -1 va F(-2) = 8
c, Cho F(x) =a x +b .tim a,b biet F(0) = 1 va F(-2) = -9
tim x nguyen biet /x-1/^2+(x-1)^2=2015./x-1/
tim x
giup dum
tim x biet : |x^2+x|+|(x+1)*(x-2)|=0
x+(x+1)+(x+2)+...+(x+2003)=2004 tim x biet
Tim x biet x^2+x+1=0
tim x biet : |x^2+|x-1||= x^2 +2
tim x biet:|x-2|+|x-1|=2
tim x biet /x^2+/3x-1//=x^2+7
a,tim a biet da thuc A(x)=ax2- 1/2x +1 co 1 nghiem la -1/2
b, tim a,b cua da thuc :B(x)= ax2+bx+5 biet B(1)=6 va B(-2) = 15
c, cho da thuc C(x)= ax+b .Tim a,b biet :
x=4 la nhgiem cua C(x)va C(2)=1