Question

tìm số nguyên x,nếu biết:
10000^x=1000²⁴

Answer 1

\(\rightarrow10^{4x}=10^{72}\\ \rightarrow4x=72\\ \rightarrow x=18\)

 

 

Answer 2

\(10000^x=1000^{24}\)

\(\Rightarrow\left(10^4\right)^x=\left(10^3\right)^{24}\)

\(\Rightarrow10^{4x}=10^{72}\)

\(\Rightarrow4x=72\Rightarrow x=18\)