Question

[Nhóc còi]

a)Tim x, y thuoc Q biet:

           (x-1)^2+(y+1)^2=0

b)Tim x, y biet:

         2^x+1 × 3^y = 12^x

Answer 1

[Cold Wind]

a) \(\left(x-1\right)^2+\left(y+1\right)^2=0\)

\(\Rightarrow\hept{\begin{cases}x-1=0\\y+1=0\end{cases}\Rightarrow\hept{\begin{cases}x=1\\y=-1\end{cases}}}\)