Question

3ⁿ⁺¹=27

tìm n

Answer 1

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

\(\Rightarrow3^n.3=3^3\)

\(\Rightarrow3^n=3^2\)

\(\Rightarrow n=2\)

Vậy n = 2

Answer 2

3ⁿ⁺¹=27

=>3ⁿ⁺¹=3³

=>n+1=3

=> n=3-1

=> n=2.

Answer 3

3ⁿ⁺¹ = 27

3ⁿ⁺¹ =3³

\(\Rightarrow\) n+1 = 3

n = 3-1

n = 2

Vậy n = 2

Answer 4

ta có :

27= 3^3

=> n+1= 3

n = 3-1

n = 2