Question

Tinh:

5ⁿ⁺¹-4.5ⁿ

 

Answer 1

5ⁿ⁺¹-4.5ⁿ

=5n.5-4.5n

=5ⁿ

Answer 2

\(5^{n+1}-4.5^n=5^n.5-4.5^n=5^n.\left(5-4\right)=5^n.1=5^n\)

Answer 3

Bài làm :

\(5^{n+1}-4.5^n\)

\(=5^n.5-4.5^n\)

\(=5^n.\left(5-4\right)\)

\(=5^n.1\)

\(=5^n\)

Học tốt

Answer 4

\(5^{n+1}-4\cdot5^n\)

\(=5^n\cdot5-4\cdot5^n\)

\(=5^n\left(5-4\right)\)

\(=5^n\cdot1=5^n\)

Answer 5

5ⁿ⁺¹-4.5ⁿ

=5ⁿ.5-4.5ⁿ

=5ⁿ.1

=5ⁿ

HC tốt

Answer 6

    Bài làm :

Ta có :

5ⁿ⁺¹-4.5ⁿ

=5ⁿ.5-4.5ⁿ

=5ⁿ.1

=5ⁿ