SOLUTION: If I have (1/A+1/B)^-1 That is AB/A+B What if it were (1/A+1/B+1/C)^-1 I am trying to figure this out, but I am having some difficulty.

Algebra.Com
Question 470574: If I have (1/A+1/B)^-1 That is AB/A+B
What if it were (1/A+1/B+1/C)^-1
I am trying to figure this out, but I am having some difficulty.

Answer by robertb(5830)   (Show Source): You can put this solution on YOUR website!

Check:

RELATED QUESTIONS

I am trying to figure out the following problem to say what is 'b': 1/a + 2/b = 3/c... (answered by askmemath)
If someone could please help me with this, it will be greatly appreciated! If x + 1 is (answered by fcabanski)
Hi, I keep trying to figure out where I am going wrong in this equation but I cannot.... (answered by Edwin McCravy)
I am trying to finish a problem where I am multiplying rational expressions. This is what (answered by jim_thompson5910)
I am using the fitch program and trying to solve this proof: 1. A V B 2. A V C... (answered by Edwin McCravy)
Hello, I am needing some help in trying to figure out how to solve this equation:... (answered by tutorcecilia)
This is actually solving a problem that is quadratic in form. I am having lots of... (answered by Earlsdon)
1) If y = (2x-6)/(3x-4) , express x in terms of y. 2) If 7a -(ab)/(c) = c , express b in (answered by josgarithmetic)
I'm trying to solve the inequality: -3 < x < 0 so that a < 1/(x+4) < b The... (answered by scott8148)