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Expert: Sherry Wallin - 9/11/2011


Question
How would you go about simplifying this:

1 + 2n      2n
------  x  ------
 −2n       1 − 2n

Answer
Daniel~

Cancel the 2n with the 2n leaving you with (1+2n)/-1(1-2n) = (2n+1)/(2n-1)

All I did above was rewrite 1+2n as 2n +1 and then I took the -1 that was left when canceling 2n/-2n and multiplied it through (1-2n) getting
-1+2n and then rewrote -1+2n as 2n-1

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Sherry Wallin

Expertise

I can answer most questions up through Calculus and some in Number Theory and Abstract Algebra.

Experience

I have had my Bachelor's Degree since 1987 and have been a teacher since 1988. I earned my Masters Degree in Mathematics May 2010. I have been teaching at the same community college since 2002.

Education/Credentials
I have taught 12 years at the community college level, medical college, and technical college as well as a high school instructor and alternative education instructor and charter school instructor.

Awards and Honors
Master's GPA 3.56 Bachelor's GPA 3.34 Post grad work not degree related GPA 4.0

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