Re: Prob Solving - Help reqd

On Apr 29, 10:14 pm, sathishvijay <sathish.vijayaragha...@xxxxxxxxx>
wrote:
Yes the problem was stated very mch correctly (as per the prep
questions)

if xy = 1, what is the value of

2 (x+y)^2
--------------
2 (x-y)^2

That may be the way it was printed in the prep questions, but the
question that would make sense would have

2^((x+y)^2)/2^((x-y)^2)

--
Robert Israel israel@xxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Department of Mathematics http://www.math.ubc.ca/~israel
University of British Columbia Vancouver, BC, Canada

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