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topjm [15]
3 years ago
9

Describe the Squeeze Theorem as simply as possible.​

Mathematics
1 answer:
Tju [1.3M]3 years ago
5 0

Hey there,

The squeeze theorem shows if f(x)\leq g(x)\leq h(x) for all real numbers (-\infty,~\infty) then f(x) = h(x) but g(x) has to equal that as well.

Let's say we have [ \lim_{n \to \infty} (\frac{cos~x}{x}) ]

~Apply the theorem

Note that [ -1 \leq cos~x \leq  1 ] and [ \lim_{n \to \infty} (-\frac{1}{x})\leq \lim_{n \to \infty} (\frac{cos~x}{x})\leq \lim_{n \to \infty} (\frac{1}{x}) ]

~Apply the infinity property to every side but the middle

\lim_{n \to \infty} (-\frac{1}{x}) = 0

\lim_{n \to \infty} (\frac{1}{x}) = 0

So... \lim_{n \to \infty} (\frac{cos~x}{x})=0

Best of Luck!

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What is the solution of the system.. explain what it means in the solution
UNO [17]

Answer:

The solution is (4,250)

Step-by-step explanation:

This means that when a member of either gym (A or B) signs up for a four-month membership, they pay the same amount - $250.  Hope this helps :)

5 0
3 years ago
y = c1 cos(5x) + c2 sin(5x) is a two-parameter family of solutions of the second-order DE y'' + 25y = 0. If possible, find a sol
TEA [102]

Answer:

y = 2cos5x-9/5sin5x

Step-by-step explanation:

Given the solution to the differential equation y'' + 25y = 0 to be

y = c1 cos(5x) + c2 sin(5x). In order to find the solution to the differential equation given the boundary conditions y(0) = 1, y'(π) = 9, we need to first get the constant c1 and c2 and substitute the values back into the original solution.

According to the boundary condition y(0) = 2, it means when x = 0, y = 2

On substituting;

2 = c1cos(5(0)) + c2sin(5(0))

2 = c1cos0+c2sin0

2 = c1 + 0

c1 = 2

Substituting the other boundary condition y'(π) = 9, to do that we need to first get the first differential of y(x) i.e y'(x). Given

y(x) = c1cos5x + c2sin5x

y'(x) = -5c1sin5x + 5c2cos5x

If y'(π) = 9, this means when x = π, y'(x) = 9

On substituting;

9 = -5c1sin5π + 5c2cos5π

9 = -5c1(0) + 5c2(-1)

9 = 0-5c2

-5c2 = 9

c2 = -9/5

Substituting c1 = 2 and c2 = -9/5 into the solution to the general differential equation

y = c1 cos(5x) + c2 sin(5x) will give

y = 2cos5x-9/5sin5x

The final expression gives the required solution to the differential equation.

3 0
3 years ago
Need help with this test plz n thanks
Nastasia [14]
1+1 = 2
So if it is 2 then 2+6 = 8
I hope this helped love
7 0
3 years ago
All digits in a dropdown number are different and one of its digits is the average of all its digits. It has at least two digits
Lyrx [107]

The dropdown numbers is an illustration of combination

The smallest dropdown number is 1025

<h3>How to determine the smallest dropdown number?</h3>

From the question, we have the following parameters:

  • The dropdown number is 4-digit
  • The digits are different.

We start counting from 1023, 1024, 1025, 1026...........

  • The sum of digits in 1023 is 6, and the average is 1.5
  • The sum of digits in 1024 is 7, and the average is 1.75
  • The sum of digits in 1025 is 8, and the average is 2

The number 1025 satisfies the given conditions

Hence, the smallest dropdown number is 1025

Read more about combination at:

brainly.com/question/11732255

8 0
2 years ago
Ho do you get the Surface Area of this shape?
blsea [12.9K]
This solid object contains 8 sides.

The side that is facing you has a surface area:

64f{ t }^{ 2 }+84f{ t }^{ 2 }=148f{ t }^{ 2 }

The side exactly opposite this one has the same surface area - 2 sides with this surface area in total.

The bottom side has a surface area:

84f{ t }^{ 2 }

The side to your right has a surface area:

84f{ t }^{ 2 }

The side to your left has a surface area:

48f{ t }^{ 2 }

The side to your top left has a surface area:

48f{ t }^{ 2 }

The side beside the side to the top left has a surface area:

36f{ t }^{ 2 }

The side at the very top has a surface area:

36f{ t }^{ 2 }

Combined, the surface area is:

S=2\cdot 148f{ t }^{ 2 }+2\cdot 84f{ t }^{ 2 }+2\cdot 48f{ t }^{ 2 }+2\cdot 36f{ t }^{ 2 }

\\ \\ =296f{ t }^{ 2 }+168f{ t }^{ 2 }+96f{ t }^{ 2 }+72f{ t }^{ 2 }\\ \\ =632f{ t }^{ 2 }

Therefore the answer is: C
7 0
3 years ago
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