Direction of steepest ascent and descent Consider the following functions and points P a. Find the unit vectors lhat give the direction of steepest ascent and steepest descent at P. b. Find a vector that points in a direction of no change in the function at P. 32 f ( x , y ) = 2 sin ( 2 x − 3 y ) ; P ( 0 , π )
Direction of steepest ascent and descent Consider the following functions and points P a. Find the unit vectors lhat give the direction of steepest ascent and steepest descent at P. b. Find a vector that points in a direction of no change in the function at P. 32 f ( x , y ) = 2 sin ( 2 x − 3 y ) ; P ( 0 , π )
Solution Summary: Theorem states that f(x,y)=2mathrmsin
Direction of steepest ascent and descentConsider the following functions and points P
a. Find the unit vectors lhat give the direction of steepest ascent and steepest descent at P.
b. Find a vector that points in a direction of no change in the function at P.
32
f
(
x
,
y
)
=
2
sin
(
2
x
−
3
y
)
;
P
(
0
,
π
)
Quantities that have magnitude and direction but not position. Some examples of vectors are velocity, displacement, acceleration, and force. They are sometimes called Euclidean or spatial vectors.
39. (a) Show that Σeak converges for each α > 0.
(b) Show that keak converges for each a > 0.
k=0
(c) Show that, more generally, Σk"eak converges for each
k=0
nonnegative integer n and each a > 0.
#3 Find the derivative y' = of the following functions, using the derivative rules:
dx
a) y-Cos 6x b) y=x-Sin4x c) y=x-Cos3x d) y=x-R CD-X:-:TCH :D:D:D - Sin
f)
Sin(x²) (9) Tan (x³)
mate
hat is the largest area that can be en
18 For the function y=x³-3x² - 1, use derivatives to:
(a) determine the intervals of increase and decrease.
(b) determine the local (relative) maxima and minima.
(c) determine the intervals of concavity.
(d) determine the points of inflection.
b)
(e) sketch the graph with the above information indicated on the graph.
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