Question

tìm x

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

2 .so sánh

\(2^{300}\)và \(3^{200}\)

Answer 1

tìm x

3^x+1= 27

3^x+1= 3³

=> x = 2

Answer 2

2³⁰⁰ = (2³)¹⁰⁰ = 8¹⁰⁰

3²⁰⁰ = (3²)¹⁰⁰ = 9¹⁰⁰

8¹⁰⁰ < 9¹⁰⁰

nên 2³⁰⁰ < 3²⁰⁰