Question

[Le Van Mi]

2 mu n + 2 - 2 mu n= 192

Tim n 

Answer 1

[Tớ ATSM]

2ⁿ + 2 - 2ⁿ = 192

2ⁿ - 2ⁿ + 2 = 192

2 = 192

=> Không có gt thỏa mãn

Answer 2

[Kaori Miyazono]

Ta có \(2^{n+2}-2^n=192\)

\(\Rightarrow2^n.\left(4-1\right)=192\)

\(\Rightarrow2^n.3=192\)

\(\Rightarrow2^n=64\)

\(\Rightarrow n=6\)