Bai 4: Xac dinh he so m de cac da thuc sau nhan 1 lam nghiema,mx\(^2\)+2x+8 b, 7x\(^2\)+mx-1 c, x\(^5\)-3x\(^2\)+mBai5: Cho da thuc f(x)=x\(^2\)+mx +2a, Xac dinh m de f(x) nhan -2 lam 1 nghiemb, Tim tap hop cac nghiem cua f(x) ung voi gia tri vua tim duoc cua mBai 6: Tim da thuc f(X) roi tim nghien cua f(x)...
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Bai 4: Xac dinh he so m de cac da thuc sau nhan 1 lam nghiem
a,mx\(^2\)+2x+8 b, 7x\(^2\)+mx-1 c, x\(^5\)-3x\(^2\)+m
Bai5: Cho da thuc f(x)=x\(^2\)+mx +2
a, Xac dinh m de f(x) nhan -2 lam 1 nghiem
b, Tim tap hop cac nghiem cua f(x) ung voi gia tri vua tim duoc cua m
Bai 6: Tim da thuc f(X) roi tim nghien cua f(x) biet
\(x^3+2x^2\left(4y-1\right)-4xy^2-9y^3-f\left(x\right)=-5x^3+8x^2y-4xy^2-9y^3\)
