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solve the logarithmic equation.

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2 Answers

 Log 4X^2 = 1 = log 10
 
  4 X^2 = 10
 
    X^2 = 10/4
 
    X = ±√(10) / 2
     

Comments

Argument to log can't be negative, Parviz.

Comment

log(4x^2) = 1
 
4x^2 > 0 => x > 0
 
10^1 = 4x^2
 
x^2 = 10/4 = 5/2
 
x = √(5/2) ≈ 1.58113883008419 ≈ 1.58