For the following exercises, use the method of Lagrange multipliers to find the maximum and minimum values of the function subject to the given constraints. 370. Maximize f ( x , y ) = x y on the ellipse b 2 x 2 + a 2 y 2 = a 2 b 2 .
For the following exercises, use the method of Lagrange multipliers to find the maximum and minimum values of the function subject to the given constraints. 370. Maximize f ( x , y ) = x y on the ellipse b 2 x 2 + a 2 y 2 = a 2 b 2 .
For the following exercises, use the method of Lagrange multipliers to find the maximum and minimum values of the function subject to the given constraints.
370. Maximize
f
(
x
,
y
)
=
x
y
on the ellipse
b
2
x
2
+
a
2
y
2
=
a
2
b
2
.
PLEASE SOLVE STEP BY STEP WITHOUT ARTIFICIAL INTELLIGENCE OR CHATGPT
SOLVE BY HAND STEP BY STEP
4.- A beer at an unknown temperature is introduced into a refrigerator that has a constant temperature of 1°C. After 20 minutes, the temperature of the beer is 10°C, and after 40 minutes, the temperature of the beer is 6°C.
a) Determine the temperature at which the beer was placed inside the refrigerator.b) How long will it take for the beer to reach 2°C?
PLEASE SOLVE STEP BY STEP WITHOUT ARTIFICIAL INTELLIGENCE OR CHATGPT
SOLVE BY HAND STEP BY STEP
5.- It is known that the population of a certain community increases at a rate proportional to the number of people at any given moment. If the population doubled in 5 years:
a) How long will it take to triple?b) How long will it take to quadruple?