Register Now

Login

Lost Password

Lost your password? Please enter your email address. You will receive a link and will create a new password via email.

222-9+11+12:2*14+14 = ? ( )

Toán Lớp 9: Tìm $x$ để $\dfrac{3\sqrt{x}}{\sqrt{x}-3}=\dfrac{1}{2}$

Toán Lớp 9: Tìm $x$ để $\dfrac{3\sqrt{x}}{\sqrt{x}-3}=\dfrac{1}{2}$

Comments ( 1 )

  1. (3\sqrt{x})/(\sqrt{x}-3)=1/2 (x>=0,xne9)
    ⇔2.3\sqrt{x}=\sqrt{x}-3
    ⇔6\sqrt{x}-\sqrt{x}=-3
    ⇔5\sqrt{x}=-3
    ⇔\sqrt{x}=-3/5 (vô lý)
    Vậy S=∅
     

Leave a reply

222-9+11+12:2*14+14 = ? ( )

About Ái Linh