Math Is Fun Forum
You are not logged in.
- Topics: Active | Unanswered
#1 2012-09-06 03:01:46
- Julieeeee
- Guest
area
I'd like to check my result. I have to find area between
axis. I got#2 2012-09-06 03:28:47
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: area
Hi Julieeeee;
Is the purple shaded area what you want?
In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.
Offline
#3 2012-09-06 03:36:49
- Julieeeee
- Guest
Re: area
Yes, I also got this picture
#4 2012-09-06 03:43:26
- TheDude
- Member
- Registered: 2007-10-23
- Posts: 361
Re: area
That's the answer I get Julie.
Wrap it in bacon
Offline
#5 2012-09-06 03:44:35
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: area
Hi Julieeeee;
Welcome to the forum.
This is what I did:
What did you do?
In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.
Offline
#6 2012-09-06 04:03:24
- Julieeeee
- Guest
Re: area
Thank you guys.
I did
#7 2012-09-06 04:16:11
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: area
Hi Julieeeee;
That is correct and nice and simple.
In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.
Offline
#8 2012-09-06 08:01:47
- Julieeeee
- Guest
Re: area
What about tangent touching graph of
at a pointI get
And also...
But wolfram alpha says
Why is that so?
#9 2012-09-06 08:21:22
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: area
Hi Julieeeee;
I am getting that for a tangent also. How did you get yours?
For that integral, Maple gets the first answer too. Might be that an absolute value is wrapped around each term and they have both left it out...
When I do it by hand I do not get Alpha's answer either.
In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.
Offline
#10 2012-09-06 09:06:12
- Julieeeee
- Guest
Re: area
by implicit differentiation I get
Hence
Thank you bobbym
#11 2012-09-06 09:08:22
- Julieeeee
- Guest
Re: area
When I do it by hand I do not get Alpha's answer either.
Do you get my answer?
#12 2012-09-06 09:14:48
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: area
Hi;
Have you seen an implicit plot of that equation?
Yes, I get your answer when I do the integration.
In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.
Offline
#13 2012-09-06 09:19:35
- Julieeeee
- Guest
Re: area
did you also do it like me?
#14 2012-09-06 09:21:56
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: area
The tangent problem? No I used geogebra to get the tangents for me. But when I look at the graph I am not so sure of the answer we are all getting.
Question: Are you satisfied with your tangent line?
In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.
Offline