SOLUTION: Hello! Can you please help me make sense of the following problem? c - d ------ 1 - 1 - - d c or (c-d / 1/d - 1/c) My answer of -2d-2c is VERY wrong! Thank you. v

Algebra ->  Expressions-with-variables -> SOLUTION: Hello! Can you please help me make sense of the following problem? c - d ------ 1 - 1 - - d c or (c-d / 1/d - 1/c) My answer of -2d-2c is VERY wrong! Thank you. v      Log On


   



Question 85111: Hello!
Can you please help me make sense of the following problem?
c - d
------
1 - 1
- -
d c
or (c-d / 1/d - 1/c)
My answer of -2d-2c is VERY wrong! Thank you.
v

Found 2 solutions by stanbon, Nate:
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
c - d
------
1 - 1
- -
d c
---------------
or (c-d) / [1/d - 1/c]
Simplify the denominator to get:
= (c-d) / [(c-d)/cd]
Invert the denominator and multiply
= (c-d)
Cancel the common (c-d) to get:
= cd
=============
Cheers,
Stan H.

Answer by Nate(3500) About Me  (Show Source):