SOLUTION: If 2^(2x) = 7 find x.

Algebra.Com
Question 1152622: If 2^(2x) = 7 find x.
Found 2 solutions by MathLover1, Alan3354:
Answer by MathLover1(20850)   (Show Source): You can put this solution on YOUR website!







Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
If 2^(2x) = 7 find x.
--------
I found it. It's after the 2 inside the parentheses.
---
Ok, seriously:
2x*log(2) = log(7)
x = log(7)/(2log(2))) = log(7)/log(4)
========================
You've posted several problems that are similar.
I didn't notice the others until after I had done this one.
You should learn how to solve them, not just get the answers.

RELATED QUESTIONS

if f(x)=2x-7 and g(x)=x^2-4x-5, find... (answered by stanbon)
If f(x)=3x+7 and g(x)=x-2x find the value of... (answered by Tatiana_Stebko)
f(x)=2x-7 and f^-1(x)= x+7/2, find f(f^-1(x)) if it... (answered by stanbon)
If f(x)=x^2-2x-7, find the following values: f(3) and... (answered by jim_thompson5910)
If f(x)= 2x^2+5x-7, find... (answered by jim_thompson5910)
Find the following f[g(x)] if f(x)=3x-7 and... (answered by John10)
find the following g[f(x)] if f(x)=3x-7 and... (answered by Gogonati)
find x when f(x)=2... (answered by ikleyn)
If 7^(2x) = 5^(x-3) find... (answered by MathLover1)