Question

[nguyenanhcaoson]

a, Tim Nghiệm

\(f_{\left(x^2\right)}=3.x-\frac{1}{2}\)

b, Cho -2 la nghiệm \(\left(x\right)-x^2-3x+a\)

Tìm a

Answer 1

[Cao Huy Thinh]

Xét \(f(x^2)=0\) => \(3x-1/2=0 =>3x=1/2 =>x=\)\(\frac{1}{2}\cdot\frac{1}{3}=\frac{1}{6}\)

Answer 2

[nguyenanhcaoson]

mk ko hieu ban oi ban giai lai di