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Anika [276]
3 years ago
14

Please do this for me

Mathematics
2 answers:
earnstyle [38]3 years ago
8 0
It’s D and E hope this helps
Alex3 years ago
6 0

Answer:

DE

Step-by-step explanation:

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Step-by-step explanation:

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Find the general solution to 3y′′+12y=0. Give your answer as y=... . In your answer, use c1 and c2 to denote arbitrary constants
lozanna [386]

Answer:

y(x)=c_1e^{2ix}+c_2e^{-2ix}

Step-by-step explanation:

You have the following differential equation:

3y''+12y=0     (1)

In order to find the solution to the equation, you can use the method of the characteristic polynomial.

The characteristic polynomial of the given differential equation is:

3m^2+12=0\\\\m^2=-\frac{12}{3}=-4\\\\m_{1,2}=\pm2\sqrt{-1}=\pm2i

The solution of the differential equation is:

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where m1 and m2 are the roots of the characteristic polynomial.

You replace the values obtained for m1 and m2 in the equation (2). Then, the solution to the differential equation is:

y(x)=c_1e^{2ix}+c_2e^{-2ix}

4 0
3 years ago
4-9x= -14 solve the inequality.
polet [3.4K]
4 - 9x = -14
4 - 4 - 9x = -14 - 4
9/9x = -18/9
x = -2
6 0
3 years ago
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