Question
Asked by:
serenadexx
 

$1.00 Implicit Differentiation -- Another One

  • From Mathematics: Calculus
  • Closed, but you can still post tutorials
  • Due on Oct. 27, 2008
  • Asked on Oct 26, 2008 at 4:12:28PM
Q:
Find the second derivative of:
(x^2)(y^2) - 18x = 5
 


   
   
   
   
 
Available Tutorials to this Question
Posted by:
bogdan
bogdan
Rating (89): A
Questions Asked: 1
Tutorials Posted: 474, earned $756.99
 

$1.00 Explained complete solution

  • This tutorial was purchased 1 time and rated A+ by students like you.
  • Posted on Oct 26, 2008 at 5:28:33PM
A:
Preview: ... , we introduce y'=(9-xy^2)/(x^2*y) known before<br><br>We get something ugly:<br><br>y''=-(y^2+4xy(9-xy^2)/(x^2*y)+x^2(9-xy^2)^2/(x^2y)^2)/(x^2y)<br><br>=-(y^2+4(9-xy^2)/x+(9-xy^2)^2/(x^2y^2))/(x^2y)<br><br>We take common fa ...

The full tutorial is about 68 words long .
Posted by:
letshavefun
letshavefun
Rating (10): C
Questions Asked: 0
Tutorials Posted: 108, earned $73.50
 

$0.25 The right answer

  • This tutorial hasn't been purchased yet.
  • Posted on Oct 26, 2008 at 6:48:10PM
A:
Preview: ... is the ...

The full tutorial is about 6 words long plus attachments.

Attachments:
solution.doc (101K) (Preview)
Posted by:
sudipta
sudipta
Rating (2461): A
Questions Asked: 0
Tutorials Posted: 15317, earned $72,277.02
 

$2.00 Full solution

  • This tutorial hasn't been purchased yet.
  • Posted on Oct 26, 2008 at 7:18:44PM
A:
Preview: ... 2y2 – 18x = 5<br>Differentiating both sides with respect to x, we get:<br>2xy2 + 2x2y (dy/dx) – 18 = 0<br>2x2y (dy/dx) = 18 – 2xy2<br>x2y(dy/dx) ...

The full tutorial is about 134 words long plus attachments.

Attachments:
Differentiation.doc (25K) (Preview)
   
Join Now or Log In
Get Tutoring
Get Paid
Academic Honesty