Question

So sánh:

Answer 1

\(3^{2n}=\left(3^2\right)^n=9^n\)

\(2^{3n}=\left(2^3\right)^n=8^n\)

Do \(9^n>8^n\)

\(\Rightarrow3^{2n}>2^{3n}\)

Answer 2

\(3^{2n}=9^n\)

\(2^{3n}=8^n\)

mà 9>8

nên \(3^{2n}>2^{3n}\)

Answer 3

3^(2n)=9^n

2^(3n)=8^n

Do 9>8 nên 9^n > 8^n

--> 3^(2n)>2^(3n)