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3 years ago

State the restrictions: 12x2+31x + 9 3x2-5x-2

Mathematics

2 answers:

jonny [76]3 years ago

6 0

Answer:

=39x2+26x−2 Your Welcome !!!

Leya [2.2K]3 years ago

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There are no restrictions on the domain here. Don’t know if this is what you are asking...feel free to reach out if it’s not!

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3 years ago

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Evaluate the integral using integration by parts with the indicated choices of u and dv. (Use C for the constant of integration.

trasher [3.6K]

Answer:

$\frac{xe^{7x}}{7} + \frac{e^{7x}}{49}$

Step-by-step explanation:

Given the integral equation

$\int\limits{xe^{7x}} \, dx \\$

According to integration by part;

$\int\limits {u} \, dv = uv + \int\limits {v} \, du$

u = x, dv = e^7x

du/dx = 1

du = dx

$v = \int\limits {e^{7x}} \, dx \\v = e^7x/7$

Substitute the given values into the formula;

$\int\limits {xe^{7x}} \, dx = x(e^{7x}/7) + \int\limits ({e^{7x}/7}) \, dx\\\int\limits {xe^{7x}} \, dx = \frac{xe^{7x}}{7} + \frac{e^{7x}}{7*7} \\\int\limits {xe^{7x}} \, dx = \frac{xe^{7x}}{7} + \frac{e^{7x}}{49}$

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3 years ago

State the restrictions: 12x2+31x + 9 3x2-5x-2​

State the restrictions: 12x2+31x + 9 3x2-5x-2