# 3 7. Find the second partial derivatives for f(x,y)=2x2y + 5y-3x'y 8. Find the total differential for z=-3ycosx+4x3y2 9. Let w-xy* - y, x-In t, y-cos t. Use Chain Rule to find dw/dt when t=0. 10. Find dy/dx implicitly for y5- y4 +3y+x3-6=0. 11. Find a directional derivative for f(x,y)-2+ x2 y2 at (-2,3) in the direction 6 of u cosi sinj 6 12. Find the gradient for f(x,y)=x2y-x In y at (4,1).

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
Question

Expert Solution

Trending now

This is a popular solution!

Step by step

Solved in 3 steps with 2 images

Knowledge Booster
Recommended textbooks for you
Calculus: Early Transcendentals
Calculus
ISBN:
9781285741550
Author:
James Stewart
Publisher:
Cengage Learning
Thomas' Calculus (14th Edition)
Calculus
ISBN:
9780134438986
Author:
Joel R. Hass, Christopher E. Heil, Maurice D. Weir
Publisher:
PEARSON
Calculus: Early Transcendentals (3rd Edition)
Calculus
ISBN:
9780134763644
Author:
William L. Briggs, Lyle Cochran, Bernard Gillett, Eric Schulz
Publisher:
PEARSON
Calculus: Early Transcendentals
Calculus
ISBN:
9781319050740
Author:
Jon Rogawski, Colin Adams, Robert Franzosa
Publisher:
W. H. Freeman
Precalculus
Calculus
ISBN:
9780135189405
Author:
Michael Sullivan
Publisher:
PEARSON
Calculus: Early Transcendental Functions
Calculus
ISBN:
9781337552516
Author:
Ron Larson, Bruce H. Edwards
Publisher:
Cengage Learning