Sunday
May 24, 2015

Homework Help: Math

Posted by Max 2 on Tuesday, October 13, 2009 at 9:43am.

1) Given that f(x,y)=xy/x^2+y^2, hence show that f(xy) = f(yx)

2) use the mean value theorem to determine the value of c, given that f(x) = cos5x

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