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1018
 one year ago
find df/dx and df/dy :
1018
 one year ago
find df/dx and df/dy :

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1018
 one year ago
Best ResponseYou've already chosen the best response.0\[\sqrt{4x ^{2} + 3y ^{2}}\]

welshfella
 one year ago
Best ResponseYou've already chosen the best response.0first simplify this a bit = [ (4x^2 + 3y^2)^½]^3 = (4x^2 + 3y^2)^(3/2)

welshfella
 one year ago
Best ResponseYou've already chosen the best response.0now you use the chain rule

welshfella
 one year ago
Best ResponseYou've already chosen the best response.0oh!! or is this partial differentiation??

1018
 one year ago
Best ResponseYou've already chosen the best response.0wait, sorry, the derivatives are to be solved separately. like dx first then dy haha sorry

1018
 one year ago
Best ResponseYou've already chosen the best response.0cause i saw that you should treat y as a constant etc etc for dx and vice versa for dy...

welshfella
 one year ago
Best ResponseYou've already chosen the best response.0yes  oh  its been a long time i'm struggling to remember this stuff...

1018
 one year ago
Best ResponseYou've already chosen the best response.0haha, im just studying it right now and already struggling. lol. so, am i right?

welshfella
 one year ago
Best ResponseYou've already chosen the best response.0yes  you have the general idea but i'm a bit hazy on it to be honest

1018
 one year ago
Best ResponseYou've already chosen the best response.0im just wondering if y is to be constant, so finding dx would just be sqrt(4x^2) dx ?

1018
 one year ago
Best ResponseYou've already chosen the best response.0the radical is confusing me i might get it wrong

welshfella
 one year ago
Best ResponseYou've already chosen the best response.0i'm sure some of the other guys will be more familiar with it than i am.

welshfella
 one year ago
Best ResponseYou've already chosen the best response.0well chage the radical to an exponent as i have done

1018
 one year ago
Best ResponseYou've already chosen the best response.0ok i think i got it from here. haha. thanks!

welshfella
 one year ago
Best ResponseYou've already chosen the best response.0square root = ^(½) yes
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