Let k be a constant, F = F( x , y , z ) , G = G( x , y , z ) , and ϕ = ϕ ( x , y , z ) . Prove the following identities, assuming that all derivatives involved exist and are continuous. curl( k F) = k curl F
Let k be a constant, F = F( x , y , z ) , G = G( x , y , z ) , and ϕ = ϕ ( x , y , z ) . Prove the following identities, assuming that all derivatives involved exist and are continuous. curl( k F) = k curl F
Let k be a constant,
F
=
F(
x
,
y
,
z
)
,
G
=
G(
x
,
y
,
z
)
,
and
ϕ
=
ϕ
(
x
,
y
,
z
)
.
Prove the following identities, assuming that all derivatives involved exist and are continuous.
Find the directional derivative of f at the given point in the direction indicated by the angle 0.
f(x,y)=√xy, (1,3), 0 = π/6
a.
b.
C.
d.
e.
1/1 (3+√³)
4
1/2 (3+√3)
1²/ (√ 3 + √²³)
3
— (3+√3)
4
√3
+ (₁-4)
3
4
3
Suppose that y is a function of z. Find y/ if r'y-
2y + 1.
2y
Chapter 15 Solutions
Calculus Early Transcendentals, Binder Ready Version
University Calculus: Early Transcendentals (3rd Edition)
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Differential Equation | MIT 18.01SC Single Variable Calculus, Fall 2010; Author: MIT OpenCourseWare;https://www.youtube.com/watch?v=HaOHUfymsuk;License: Standard YouTube License, CC-BY