Beginner Implicit differentiation

Here's the problem:

, Find y' by implicit differentiation.

I set it up like this by taking the derrivative of both sides:

Giving me:

then:

Factor out y':

divide and the answer:

This answer is wrong though. Can someone help me see where I went wrong? I'm wondering if

Thanks in advance!

Re: Beginner Implicit differentiation

Quote:

Originally Posted by

**jjtjp** Here's the problem:

, Find y' by implicit differentiation.

I set it up like this by taking the derrivative of both sides:

Giving me:

then:

This should be
Factor out y':

divide and the answer:

This answer is wrong though. Can someone help me see where I went wrong? I'm wondering if

Thanks in advance!

See above.

Re: Beginner Implicit differentiation

Wow..I solved the problem 3 times and missed it every time. How the heck?! Anyways, thank you!

Re: Beginner Implicit differentiation

Quote:

Originally Posted by

**jjtjp** Here's the problem:

, Find y' by implicit differentiation.

I set it up like this by taking the derrivative of both sides:

Do NOT write " ", the "y" should not be there. You mean or

Quote:

Giving me:

then:

NO, you have **subtracted** from both sides. This should be or

Quote:

Factor out y':

divide and the answer:

This answer is wrong though. Can someone help me see where I went wrong? I'm wondering if

Thanks in advance!

Re: Beginner Implicit differentiation

Thanks for the correction.