SOLUTION: 1 + 1 -- a ----------- ------- 1

SOLUTION: 1 + 1 -- a ----------- ------- 1 - 1 -- 2a

Question 636617: 1 + 1
--
a
-------------------
1 - 1
--
2a

Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
1 + 1
--
a
-------------------
1 - 1
--
2a
======================
= [(1+a)/a]/[(1-2a)/2a]
-------
Invert the denominator and multiply:
-----
= [(1+a)/a] times [(2a)/(1-2a)]
------
Cancel the common "a" factor to get:
-----
= [(1+a)/1] times [(2)/(1-2a)]
----
= (2+2a)/(1-2a)
====================
Cheers,
Stan H.
=============

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