CBSE Class 11-science Answered
Question is as below :
Asked by spuneet23 | 20 Sep, 2010, 05:22: PM
Expert Answer
Hello,
Given:
f( x+2y, x-2y) = xy;
let m = x + 2y
n = x - 2y
then , x = (m+n)/2
y = (m-n)/4
Using the above equations we can write:
f(m,n) = (m+n)(m-n)/8
or
f (x,y) = (x-y)(x+y)/8
Answered by | 20 Sep, 2010, 09:57: PM
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