Saturday

November 22, 2014

November 22, 2014

Posted by **ladybug** on Tuesday, October 9, 2012 at 9:39pm.

In(x/x-5)+In(x+5/x)-In(x^2-25)

- pre-calculus -
**Reiny**, Tuesday, October 9, 2012 at 10:24pmAssuming you meant:

In(x/(x-5))+In((x+5)/x)-In(x^2-25)

= lnx - ln(x-5) + ln(x+5) - lnx - ( ln(x+5) + ln(x-5) )

= lnx - ln(x-5) + ln(x+5) - lnx - ln(x+5) - ln(x-5)

= -2ln(x-5)

or -ln(x-5)^2 or ln(x-5)^-2

**Answer this Question**

**Related Questions**

math - write the expression as a sinle logarithm. express powers as factors. In...

pre calculus - Write the expression below as a single logarithm. 2in(x+4)-in((x...

pre calculus - Write the expression below as a single logarithm. Need to know ...

pre calculus - Change the exponentioanl expression to an equivalent expression ...

Pre-Calculus - Reiny - Reiny you helped me with this logarithm yesterday: How ...

pre calculous - use the properties of logarithms to write the expression as a ...

Math - Write expression as single logarithm - Write the expression below as a ...

Precalculus - 1. Write the given expression as a single logarithm. log(70x)+log(...

Algebre - Please help I don't understand Contract the expression this is use ...

Calculus - Write the expression as the logarithm of a single quantity. ln 2 + 1/...