Question

c,(x-1)⁴³=(x-1)²⁰²¹

^{tìm x
ai giúp mik vs mik đang gấp
Ai nhanh micnhf tích cho nha
mik cảm ơn trước}
 

 

Answer 1

\(\left(x-1\right)^{43}=\left(x-1\right)^{2021}\)

\(\Rightarrow\left(x-1\right)^{43}\left[\left(x-1\right)^{1978}-1\right]=0\)

\(\Rightarrow\left[{}\begin{matrix}x-1=0\\\left(x-1\right)^{1978}=1\end{matrix}\right.\)\(\Rightarrow\left[{}\begin{matrix}x=1\\x=2\\x=0\end{matrix}\right.\)