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December 21st, 2018, 06:15 AM  #1 
Newbie Joined: Dec 2018 From: egypt Posts: 3 Thanks: 0  functions of several variables
How do I find the range for g(x,y) = sqrt(yx)  ln (9  x^2  y^2)? Thanks. Last edited by skipjack; December 21st, 2018 at 06:32 AM. 
December 21st, 2018, 06:31 AM  #2 
Global Moderator Joined: Dec 2006 Posts: 20,746 Thanks: 2133 
What is the range of ln(9  x²  y²)?


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functions, variables 
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