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mark_o.
 2 years ago
Best ResponseYou've already chosen the best response.1v Du  u Dv use the formula D(u/v)=  v^2

yasmin95
 2 years ago
Best ResponseYou've already chosen the best response.0yeah i did lol but i think i stuffed something up, can you please solve it for me

mark_o.
 2 years ago
Best ResponseYou've already chosen the best response.1let u=x^2, u= x1, then (x1)2x  x^2  (x1)^2 can you continue that pls...

mark_o.
 2 years ago
Best ResponseYou've already chosen the best response.1@sirm3d, do you have something to help yasmin plzz? you can go ahead and reply ... :D

sirm3d
 2 years ago
Best ResponseYou've already chosen the best response.2\[\large v=x1\\\large Dv = 1  0 = 1\\\large u=x^2\\\large Du=2x\] just sub the expressions u, Du, v, and Dv in \[\large D\left(\frac{u}{v}\right)=\frac{v Du  u Dv}{v^2}\] as given by @mark_o.
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