Question

3ⁿ⁺¹=27

tim n nha cac bạn ai trả loi thì kết với mik nha

Answer 1

3^n+1=3^3

suy ra n+1=3

suy ra n=2

Answer 2

\(3^n.3^1=3^3\)

\(3^n=3^3:3^1\)

\(3^n=3^{3-1}=3^2\Rightarrow n=2\)

tích nha

Answer 3

\(3^{n+1}=27\)

\(\Rightarrow3^{n+1}=3^3\)

\(\Rightarrow n+1=3\)

\(\Rightarrow n=2\)

K NHÉ BẠN

Answer 4

\(3^{n+1}=27\)

\(3^{n+1}=3^3\)

\(\Rightarrow n+1=3\)

    \(n=3-1\)

   \(n=2\)

Vậy n=2

k mk nha!

Answer 5

\(3^{n+1}=27\)

\(3^{n+1}=3^3\)

\(=>n+1=3\)

\(n=3-1\)

\(n=2\)