1. ## parametric equations

Find d^2y/dx^2 if x=t-t^2 and y=t-t^3.

My question is- Why is the denominator raised to the third power?

Any help would be greatly appreciated.

Tom Ohnemus

2. Originally Posted by kid funky fried
Find d^2y/dx^2 if x=t-t^2 and y=t-t^3.

My question is- Why is the denominator raised to the third power?

Any help would be greatly appreciated.

Tom Ohnemus
does this help?

3. Originally Posted by Jhevon
does this help?
ok,
i worked through the example. i will now try to apply it to the problem i posted.

Got it! Thx so much. I guess i should review the quotient rule.

4. Originally Posted by kid funky fried
ok,
i worked through the example. i will now try to apply it to the problem i posted.
ok. let us know how it goes