# Math Help - Calculus w/ Paramatrized Curves

1. ## Calculus w/ Paramatrized Curves

Find $\frac{dy}{dx}$

$x = \frac{2}{t}$

$y = \sqrt{t}e^{-t}$

$x' = 2ln(t)$

$y' = \frac{1-2t}{2\sqrt{t}e^t}$

$\frac{dy}{dx} = \frac{1-2t}{4\sqrt{t}ln(t)e^{2t}}$

This is wrong, can someone tell me where I am wrong?

Thanks!

2. You've integrated x instead of differentiating it.

Have you also done the same for y?