Respuesta :
The exponent of the log rule says that the raising a logarithm with a number to its base is equal to the number.
Ordered steps to solve the equation are,
- 1) [tex]3^{\log_3(x^2) }=3^{\log_3(2x^2 - 1)}[/tex]
- 2) [tex]0=2x^2-x-3[/tex]
- 3) [tex]0=2x^2-x-3[/tex]
- 4) [tex](2x-3)(x+1)=0[/tex]
- 5) [tex]2x-3=0,\;\;\;\;x+1=0[/tex]
- 6) The potential solution are -1 and 3/2.
What is exponent of log rule?
The exponent of the log rule says that the raising a logarithm with a number to its base is equal to the number.
For example,
Let k is the number and a is the base thus,
[tex]a^{log_a(k)}=k[/tex]
Given information-
The equation given in the problem is,
[tex]\log_3(x^2) =\log_3(2x^2 - 1)[/tex]
Order of steps to solve the equation are-
- 1) Take the base 3 both the sides as,
[tex]3^{\log_3(x^2) }=3^{\log_3(2x^2 - 1)}[/tex]
- 2)The exponent of the log rule says that the raising a logarithm with a number to its base is equal to the number. Thus,
[tex]x^2+2=2x^2-1\\[/tex]
- 3) Take the variable with same power one side and solve them by equating to zero, we get,
[tex]0=2x^2-x-3[/tex]
- 4)Use the split the middle term method to make the group as,
[tex](2x-3)(x+1)=0[/tex]
- 5) Equate the factors to the zero as,
[tex]2x-3=0\\x+1=0[/tex]
- 6) Solve the above factors as, we get the potential solution are -1 and 3/2.
Hence, ordered steps to solve the equation are,
- 1) [tex]3^{\log_3(x^2) }=3^{\log_3(2x^2 - 1)}[/tex]
- 2) [tex]0=2x^2-x-3[/tex]
- 3) [tex]0=2x^2-x-3[/tex]
- 4) [tex](2x-3)(x+1)=0[/tex]
- 5) [tex]2x-3=0,\;\;\;\;x+1=0[/tex]
- 6) The potential solution are -1 and 3/2.
Learn more about the rules of logarithmic function here;
https://brainly.com/question/13473114