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yawa3891 [41]
3 years ago
9

Which of the following cannot be simplified ?

Mathematics
2 answers:
svp [43]3 years ago
5 0
The square root of 38
frozen [14]3 years ago
3 0

Answer:

27

Step-by-step explanation:

27 because if you try it it givess you a bunch of numbers nstead of just a few numbers .

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Find a power series representation of e^x sin(x)
liberstina [14]
The Taylor series is defined by:
f(x) = \sum \frac{f^n (a)}{n!} (x-a)^n

Let a = 0.
Then its just a matter of finding derivatives and determining how many terms is needed for the series.

Derivatives can be found using product rule:
f^n (x) = e^x g^{n-1} (x) + e^x g^n (x)  \\ g^0 (x) = sin x

Do this successively to n = 6.
f^1 (x) = e^x (sinx +cos x) \\ f^2 (x) = e^x (2cos x)  \\ f^3 (x) = e^x(2cos x - 2sin x)  \\ f^4 (x) = e^x (-4 sin x)  \\ f^5 (x) = e^x(-4sinx -4cos x) \\ f^6(x) = e^x(-8cos x)

Plug in x=0 and sub into taylor series:
e^x  sin x = x+x^2 +\frac{x^3}{3} -\frac{x^5}{30}-\frac{x^6}{90}...

If more terms are needed simply continue the recursive derivative formula and add to taylor series.
6 0
3 years ago
Differentiate with respect to x : 2xe^x​
Gnom [1K]

\\ \sf\longmapsto \dfrac{d}{dx}2xe^x

  • Apply product rule

\\ \sf\longmapsto \dfrac{d}{dx}2x(e^x)

\\ \sf\longmapsto 2x\dfrac{d}{dx}e^x+e^x\dfrac{d}{dx}2x

\\ \sf\longmapsto 2xe^x+2e^x

\\ \sf\longmapsto 2e^x(x+1)

7 0
2 years ago
The green line below
kenny6666 [7]

Answer:

B, C, D, & E

Step-by-step explanation:

All lines intersect the x axis and y axis so we know B and D are correct. All graphs are in the xy plane unless i (\sqrt{-1}) is involved, or C. It crosses the center (origin) of the entire plane so it crosses the origin, or E.

3 0
3 years ago
Read 2 more answers
A cylinder vase has a height of 10 inches and a diameter of 3 inches. If the water raises to 9/10 of the way to the top, approxi
goblinko [34]

Answer:

The volume of water in the vase is 64 in^3

Step-by-step explanation:

A cylinder vase has a height, h, of 10 inches and its diameter of 3 inches. This means that its radius, r, is:

r = 3 / 2 = 1.5 inches

To find the volume of the water in the vase if the water raises to 9/10 of the way to the top, we first have to find the volume of the vase when it is filled with water and then, find 9/10 of that volume.

The volume of a cylinder is given as:

V = \pi r^2h

The volume of the vase will be:

V = \pi * 1.5^2 * 10\\V = 70.69 in^3

Hence, the volume of the water in the vase when it is 9/10 filled is:

\frac{9}{10} * 70.69 = 63.62 in^3

Approximating to the nearest cubic inch, the volume of water in the vase is 64 in^3

5 0
3 years ago
What is does -27/8+ 2n=n- 5/2 + 5/4m=
enyata [817]

Answer:

m= 8n-7/10

Step-by-step explanation:

n- 5/2 + 5/4 m= -27/8 + 2n

n- 5/2 + 5/4 m-n = -27/8 +2n-4

-5/2 +5 /4m=- 27/8 +n

- 5/2 + 5/4 m + 5/2 = - 27/8+n+ 5/2

5/4 m =n- 7/8

4. 5/4 m=4n -4 . 7/8

5m=4n- 7/2

5m/5 = 4n/5 - 7/2 /5

m= 8n-7/10

7 0
3 years ago
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