Giải PT:a,\(\sqrt{x\left(x^3-3x+1\right)}=\sqrt{x\left(x^3-x\right)}\) b,\(\sqrt{x^2-x+1}+\sqrt{x^2+x+1}=\sqrt{4-x}\) c,\(\sqrt{x^2+4x+3}+\sqrt{x^2+x}=\sqrt{3x^2+4x+1}\) ...
Đọc tiếp
Giải PT:a,\(\sqrt{x\left(x^3-3x+1\right)}=\sqrt{x\left(x^3-x\right)}\)
b,\(\sqrt{x^2-x+1}+\sqrt{x^2+x+1}=\sqrt{4-x}\)
c,\(\sqrt{x^2+4x+3}+\sqrt{x^2+x}=\sqrt{3x^2+4x+1}\)
d,\(\sqrt{\frac{x^3+1}{x+3}}+\sqrt{x+3}=\sqrt{x^2-x+1}+\sqrt{x+1}\)
