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otez555 [7]
3 years ago
9

True or False

Mathematics
1 answer:
marishachu [46]3 years ago
4 0
True. A relation just pairs two sets. An object in the first set can relate to more than one in the second.
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The slope of the line segment above is<br><br> True<br> False
jolli1 [7]

Answer:False

Step-by-step explanation:

Because when you go up and you subtract that numbers you don't get the number you need

7 0
2 years ago
Read 2 more answers
Find the radius of convergence, then determine the interval of convergence
galben [10]

The radius of convergence R is 1 and the interval of convergence is (-3, -1) for the given power series. This can be obtained by using ratio test.  

<h3>Find the radius of convergence R and the interval of convergence:</h3>

Ratio test is the test that is used to find the convergence of the given power series.  

First aₙ is noted and then aₙ₊₁ is noted.

For  ∑ aₙ,  aₙ and aₙ₊₁ is noted.

\lim_{n \to \infty} |\frac{a_{n+1}}{a_{n} }| = β

  • If β < 1, then the series converges
  • If β > 1, then the series diverges
  • If β = 1, then the series inconclusive

Here a_{k} = \frac{(x+2)^{k}}{\sqrt{k} }  and  a_{k+1} = \frac{(x+2)^{k+1}}{\sqrt{k+1} }

   

Now limit is taken,

\lim_{n \to \infty} |\frac{a_{n+1}}{a_{n} }| = \lim_{n \to \infty} |\frac{(x+2)^{k+1} }{\sqrt{k+1} }/\frac{(x+2)^{k} }{\sqrt{k} }|

= \lim_{n \to \infty} |\frac{(x+2)^{k+1} }{\sqrt{k+1} }\frac{\sqrt{k} }{(x+2)^{k}}|

= \lim_{n \to \infty} |{(x+2) } }{\sqrt{\frac{k}{k+1} } }}|

= |{x+2 }|\lim_{n \to \infty}}{\sqrt{\frac{k}{k+1} } }}

= |{x+2 }| < 1

- 1 < {x+2 } < 1

- 1 - 2 < x < 1 - 2

- 3 < x < - 1

 

We get that,

interval of convergence = (-3, -1)

radius of convergence R = 1

Hence the radius of convergence R is 1 and the interval of convergence is (-3, -1) for the given power series.

Learn more about radius of convergence here:

brainly.com/question/14394994

#SPJ1

5 0
1 year ago
Read 2 more answers
I Need Help Fast Please
lbvjy [14]
C. 130,90,130.

#01234, the tenths number stays the same
#56789, the tenths number go up 1 number

4 0
3 years ago
15. What polynomial must be added to .x^2-2x+ 6 so that<br> the sum is 3x^2+ 7x ?
jeyben [28]

Answer:

2x^2+9x-6

Step-by-step explanation:

Just subtract the two because x + y = z and z-x = y

3x^2+7x-(x^2-2x+6) = 3x^2+7x-x^2+2x-6\\\\=2x^2+9x-6

You can test this by adding this expression back to the original.

x^2-2x+6+(2x^2+9x-6) = 3x^2+7x

8 0
3 years ago
How do you solve this using substitution <br> -8x-y=-30<br> Y=12x-50
never [62]

Step-by-step explanation:

substitude the y value into y in the first equation

-8-(12x-50)=30

-8-12x+50=30

you see it?

then solve

-8+50-30=12x

you got the value = 12x

then you divide with 12

finally you get x

7 0
3 years ago
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