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3 years ago

HELP NEEDED ASAP!!!!! WILL GIVE BRAINLIEST!!!!!

Mathematics

2 answers:

AVprozaik [17]3 years ago

7 0

Answer:

it is B

Step-by-step explanation:

Crazy boy [7]3 years ago

4 0

Answer:

equation of line is:

y = -2x - 6

Step-by-step explanation:

hope this helps

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Write the given differential equation in the form L(y) = g(x), where L is a linear differential operator with constant coefficie

melamori03 [73]

Answer:

The complete solution is

$\therefore y= Ae^{3x}+Be^{-\frac13 x}-\frac43$

Step-by-step explanation:

Given differential equation is

3y"- 8y' - 3y =4

The trial solution is

$y = e^{mx}$

Differentiating with respect to x

$y'= me^{mx}$

Again differentiating with respect to x

$y''= m ^2 e^{mx}$

Putting the value of y, y' and y'' in left side of the differential equation

$3m^2e^{mx}-8m e^{mx}- 3e^{mx}=0$

$\Rightarrow 3m^2-8m-3=0$

The auxiliary equation is

$3m^2-8m-3=0$

$\Rightarrow 3m^2 -9m+m-3m=0$

$\Rightarrow 3m(m-3)+1(m-3)=0$

$\Rightarrow (3m+1)(m-3)=0$

$\Rightarrow m = 3, -\frac13$

The complementary function is

$y= Ae^{3x}+Be^{-\frac13 x}$

y''= D², y' = D

The given differential equation is

(3D²-8D-3D)y =4

⇒(3D+1)(D-3)y =4

Since the linear operation is

L(D) ≡ (3D+1)(D-3)

For particular integral

$y_p=\frac 1{(3D+1)(D-3)} .4$

$=4.\frac 1{(3D+1)(D-3)} .e^{0.x}$ [since $e^{0.x}=1$ ]

$=4\frac{1}{(3.0+1)(0-3)}$ [ replace D by 0 , since L(0)≠0]

$=-\frac43$

The complete solution is

y= C.F+P.I

$\therefore y= Ae^{3x}+Be^{-\frac13 x}-\frac43$

4 0

3 years ago

Evaluate the expression for the given value of the variable.

blsea [12.9K]

Poiuytrewqasdfghklmn

5 0

3 years ago

Read 2 more answers

HELP PLEASE PLEASE PLEASE

CaHeK987 [17]

Answer:

If you beg for help like that you won't get any.

Step-by-step explanation:

6 0

3 years ago

Write this ratio as a fraction in the simplest form 3 feet to 63 inches

Andrei [34K]

Answer:

4:7

Step-by-step explanation:

Okay, so first convert the feet to inches so 3x12=36. So the it's 36:63. Then if you simplify it you get 4:7.

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3 years ago

Please help will mark brainlist answer ! <br><br> Find the length of AB<br><br> AB =

Nadusha1986 [10]

i’m pretty positive you would just subtract!

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2 years ago