Question

Find Duf at P f(x,y)= sin(3x-4y); P(4, 3); u=(3/5 i-4/5 j) Enter the exact answer. Duf=?

Find Duf at P

f(x,y)= sin(3x-4y); P(4, 3); u=(3/5 i-4/5 j)

Enter the exact answer.

Duf=?

Math   Calculus   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Suppose ?(?,?)=??f(x,y)=xy, ?=(−4,−4)P=(−4,−4) and ?=3?+2?v=3i+2j. A. Find the gradient of f. ∇?=∇f=  ?+i+  ?j Note: Your answers should...
Suppose ?(?,?)=??f(x,y)=xy, ?=(−4,−4)P=(−4,−4) and ?=3?+2?v=3i+2j. A. Find the gradient of f. ∇?=∇f=  ?+i+  ?j Note: Your answers should be expressions of x and y; e.g. "3x - 4y" B. Find the gradient of f at the point P. (∇?)(?)=(∇f)(P)=  ?+i+  ?j Note: Your answers should be numbers C. Find the directional derivative of f at P in the direction of ?v. ???=Duf= D. Find the maximum rate of change of f at P. E. Find the (unit) direction vector in which the maximum rate...
Consider the following. f(x, y) = x/y,    P(4, 1),    u = 3 5  i + 4 5  j...
Consider the following. f(x, y) = x/y,    P(4, 1),    u = 3 5  i + 4 5  j (a) Find the gradient of f. (b) Evaluate the gradient at the point P. (c) Find the rate of change of f at P in the direction of the vector u.
if not exact make it exact then Solve (ln sin y -3x^2) dy/dx + x cot...
if not exact make it exact then Solve (ln sin y -3x^2) dy/dx + x cot y + 4y =0 y = (Pi/2)=2
f(x, y, z) = xe4yz, P(1, 0, 3), u = <2/3, -1/3, 2/3> (a) Find the...
f(x, y, z) = xe4yz, P(1, 0, 3), u = <2/3, -1/3, 2/3> (a) Find the gradient of f. ∇f(x, y, z) = <   ,   ,   > (b) Evaluate the gradient at the point P. ∇f(1, 0, 3) = <   ,   ,   > (c) Find the rate of change of f at P in the direction of the vector u. Duf(1, 0, 3) =
Evaluate the following. f(x, y) = x + y S: r(u, v) = 5 cos(u) i...
Evaluate the following. f(x, y) = x + y S: r(u, v) = 5 cos(u) i + 5 sin(u) j + v k, 0 ≤ u ≤ π/2, 0 ≤ v ≤ 3
Find Duf at P given :   fx,y,z=6x^4y^4z^4 ,P1,-2,2 ; u=13i+23j-23k   
Find Duf at P given :   fx,y,z=6x^4y^4z^4 ,P1,-2,2 ; u=13i+23j-23k   
Let F ( x , y , z ) =< e^z sin( y ) + 3x...
Let F ( x , y , z ) =< e^z sin( y ) + 3x , e^x cos( z ) + 4y , cos( x y ) + 5z >, and let S1 be the sphere x^2 + y^2 + z^2 = 4 oriented outwards Find the flux integral ∬ S1 (F) * dS. You may with to use the Divergence Theorem.
Find the solution of the initial value problem y′′+4y=t2+7et y(0)=0, y′(0)=2. Enter an exact answer. Enclose...
Find the solution of the initial value problem y′′+4y=t2+7et y(0)=0, y′(0)=2. Enter an exact answer. Enclose arguments of functions in parentheses. For example, sin(2x).
Let f (x, y) = 100 sin(π(x−2y))/(1+x^2+y^2) . Find the directional derivative of f 1+x^2+y^2 at...
Let f (x, y) = 100 sin(π(x−2y))/(1+x^2+y^2) . Find the directional derivative of f 1+x^2+y^2 at the point (10, 6) in the direction of: (a) u = 3 i − 2 j (b) v = −i + 4 j
find y' for the function 1. (y-2)^7=3x^2+2x-2 2. 3y^3+2x^3=3 3.(4y^2+3)^4+3x^5-5=0 4. 4x^2+3x^2y^2-y^3=3x
find y' for the function 1. (y-2)^7=3x^2+2x-2 2. 3y^3+2x^3=3 3.(4y^2+3)^4+3x^5-5=0 4. 4x^2+3x^2y^2-y^3=3x
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT