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# C4 Parametric Differentiation Help watch

1. This question is doing my ****ing head in and as i can work out how to differentiate the y term.

3)a Show that if x= 1/1+t^3 , and y= t/1+t^3 then dy/dx=2t^3 -1/3t^2
2. (Original post by TlanTlan)
This question is doing my ****ing head in and as i can work out how to differentiate the y term.

3)a Show that if x= 1/1+t^3 , and y= t/1+t^3 then dy/dx=2t^3 -1/3t^2
.

You can find and using the chain rule and the quotient rule respectively.
3. (Original post by Farhan.Hanif93)
.

You can find and using the chain rule and the quotient rule respectively.
Wouldn't you use the quotient rule for both?
4. (Original post by Thrug)
Wouldn't you use the quotient rule for both?
Nope.

.

Chain rule it from there.
5. (Original post by Farhan.Hanif93)
Nope.

.

Chain rule it from there.
Oh of course

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Updated: March 19, 2011
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