I solved a few more differentiation problems, but got stuck on the following questions: Find an expression in tems of x and y for dy/dx, given that: (x-y)^4=x+y+5 and ((xy)^0.5)+x+y^2=0
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The Captain got it right, I goofed! -Dan
Last edited by topsquark; September 8th 2006 at 05:20 AM. Reason: Made an oopsy!
Originally Posted by Showcase_22 I solved a few more differentiation problems, but got stuck on the following questions: Find an expression in tems of x and y for dy/dx, given that: (x-y)^4=x+y+5 Implicit differentiation should be your watchword. so: . Now rearrange into the required form. RonL
Originally Posted by Showcase_22 where the first set of parenthesis is the and the second set is the . All that's left is to solve for . I leave it to you. Please feel free to post if you have any difficulties with it. -Dan
Originally Posted by topsquark Again, this is a problem in implicit differentiation. Recall the chain rule: So the LHS of your problem becomes, upon differentiation: ? RonL
Originally Posted by CaptainBlack ? RonL I saw what I did (or didn't do) when I caught your post. Ah well, it's been a morning already! -Dan
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