Number raised to log expression I am struggling with what I think should be some a basic log problem: Show that 3^(log_2n)=n^(log_23) I know that 3^(log_3n)=n and log2n=log3n/log32 I was attempting something similar to: 3^(log_3n/log_32)=3^(log_3n−log_32) but then I got stuck. Am I on the right track by using the change of base and then subtracting? EDIT: I'm not trying to exactly 'show that' the two expressions are equal. I am looking to figure out how to simplify the expression on the left to the one on the right

Jaxon Hamilton

Jaxon Hamilton

Answered question

2022-07-20

Number raised to log expression
I am struggling with what I think should be some a basic log problem:
Show that 3 l o g 2 n = n l o g 2 3
I know that 3 l o g 3 n = n and l o g 2 n = l o g 3 n / l o g 3 2
I was attempting something similar to:
3 l o g 3 n / l o g 3 2 = 3 l o g 3 n l o g 3 2 but then I got stuck. Am I on the right track by using the change of base and then subtracting?
EDIT: I'm not trying to exactly 'show that' the two expressions are equal. I am looking to figure out how to simplify the expression on the left to the one on the right

Answer & Explanation

Lillianna Mendoza

Lillianna Mendoza

Beginner2022-07-21Added 16 answers

In general,
n ( log x ) = ( e log n ) ( log x ) = e ( log n ) ( log x ) = e ( log x ) ( log n ) = ( e log x ) ( log n ) = x ( log n )
where log = log b for fixed base b
Leila Jennings

Leila Jennings

Beginner2022-07-22Added 5 answers

A = 3 log 2 n log 2 A = log 2 n log 2 3
B = n log 2 3 log 2 B = log 2 3 log 2 n

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