Thursday

November 27, 2014

November 27, 2014

Posted by **Anonymous** on Tuesday, March 27, 2012 at 9:57pm.

- Log help -
**Reiny**, Tuesday, March 27, 2012 at 10:22pma^3 + 3ab(a+b+3) + b^3 = 10ab

a^3 + 3a^2b + 3ab^2 + 9ab + b^3 = 10ab

a^3 + 3a^2b + 3ab^2 + b^3 = ab

(a+b)^3 = ab

take log of both sides

log (a+b)^3= log ab

3 log(a+b) = log a + log b

log (a+b) = (1/3)(log a + log b)

Q.E.D.

- Log help -
**Anonymous**, Wednesday, March 28, 2012 at 2:38pmThank you!

**Answer this Question**

**Related Questions**

math - Logarithm!!! Select all of the following that are true statements: (a) ...

math - write as a single logarithm: -2logbase3(1/x)+(1/3)logbase3(square root of...

Math Help Please - Which of the following expressions is equal to log (x sqrt-y...

Algebra - will you please show me step by step in solving: 1/2 log b + 3 log c. ...

Mathematics - Prove that log a, log ar, log ar^2 is an a.p. Is the following ...

math(Please help) - 1) use the properties of logarithms to simplify the ...

Algebra 2 - how do not understand how to do this Log X + Lob (X-3) = 1 I know I ...

Math - Let log 2 = a, log 3 = b and log 7 = c. Express the indicated logarithm ...

college algebra - Write expression as one logarithm and simplify if appropriate...

Trigonometry - This is a logs question If u=x/y^2, which expression is ...