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Harman [31]
3 years ago
5

Determine the roots of the following quadratic function:

Mathematics
2 answers:
musickatia [10]3 years ago
5 0

Answer:

8x3 to the 6th degree minus 4th5 odd one under.

Step-by-step explanation:

nlexa [21]3 years ago
5 0

Answer:

C

Step-by-step explanation:

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Anika [276]
A=24.56
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B.16.75
OR 12.28+ Sq rt of 20
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3 years ago
Use the Rational Root Theorem to list all possible rational roots of the polynomial equation x3 – x2 – x – 3 = 0. Do not find th
almond37 [142]
Hello,
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3 years ago
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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
Which expression forms an equation with the given expression 14 + 2 • 12 ÷ 3 = ___________
Talja [164]
14+2*12/3=
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22
8 0
3 years ago
Find the sum of the interior angle measure of a regular polygon with 20 sides
AleksAgata [21]

Answer:

3240°

Step-by-step explanation:

For a regular icosagon,

sum of interior angles measure=180(n-2)°

180(20-2)

180(18)=3240°

8 0
3 years ago
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