Wednesday

January 28, 2015

January 28, 2015

Posted by **Yolie** on Thursday, February 2, 2012 at 2:56am.

ln x + ln(x-2) = 1

- Alg 2 -
**Reiny**, Thursday, February 2, 2012 at 7:33amlnx + ln(x-2) = 1 , where x>2

ln(x(x-2)) = 1

x^2 - 2x = e^1

x^2 - 2x + 1 = e+1 , ( I completed the square)

(x-1)^2 = e+1

x - 1 = ± √(e+1)

x = 1 ± √(e+1)

but x > 2 , so

x = 1 + √(e+1)

**Answer this Question**

**Related Questions**

Alg 2 - Solve the equation. Check for extraneous solutions. 10 ln 100x - 3 = ...

Alg 2 - check for extraneous solutions. 0, 7^4 2^4, inside the equation x^5/6 = ...

alg - i need help solving this one (x + 4)^2/3= 9 a) 13 b) 23;-31 c) 5 d) 31;-31...

alg - i need help solving this one (x + 4)^2/3= 9 a) 13 b) 23;-31 c) 5 d) 31;-31...

algebra - Solve the equation check for extraneous solutions 9[9-8x]=2x+3 please ...

algebra 2 - Solve the equation. Check for extraneous solutions. 9|9-8x|=2x+3 can...

acc. alg 2 - exponentiating to solve equations: solve the eaquation, cheack for ...

math - Solve the equation check for extraneous solutions 6/6-4x/=8x+4 I used/ / ...

Precalculus - Solve (log x)^2 = log x Also, when will their be a possibility ...

Algebra - Solve the equation and check for extraneous solutions. 10^((x^2)+1)=...