# Help with Implicit Diff.

• Oct 7th 2008, 06:30 AM
johnny4lsu
Help with Implicit Diff.
Could someone please assist me with this problem. I am coming up with
(1/2)x^-.5(8x+sqrt6)(3x^-.5+8) and it isn't right.

https://webwork.math.lsu.edu/webwork...8830ccd161.png

https://webwork.math.lsu.edu/webwork...1de4d546b1.png
• Oct 7th 2008, 06:54 AM
johnny4lsu
could someone please help me with this problem. I have a test in a couple of hours and it is confusing me!
• Oct 7th 2008, 06:57 AM
polymerase
$\frac{dy}{dx}=\frac{1}{2}(8x+\sqrt{6x})^\frac{-1}{2}\left(8+3(6x)^\frac{-1}{2}\right)$

Thus $\frac{dy}{dx}=\frac{8+\frac{3}{\sqrt{6x}}}{2\sqrt{ 8x+\sqrt{6x}}}$

Just use chain rule...
• Oct 7th 2008, 07:08 AM
johnny4lsu
i did poly but i still get the wrong answer?(Headbang)(Headbang)