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2 years ago

15

What is the surface area? 5 cm 1 cm 3 cm

1 answer:

dimaraw [331]2 years ago

4 0

Answer:

46 cm

Step-by-step explanation:

2(5*1) = 10

2(1*3) = 6

2(3*5) = 30

add all those together and you get 46

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2 years ago

Consider the differential equation: xy′(x2+7)y=cos(x)+e3xy. Put the differential equation into the form: y′+p(x)y=g(x), determin

icang [17]

Answer:

Linear and non-homogeneous.

Step-by-step explanation:

We are given that

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We have also find type of differential equation.

$y'=\frac{(x^2+7)y}{x}(cosx+\frac{e^{3x}}{y}}$

$y'=\frac{(x^2+7)cosx}{x}y+\frac{(x^2+7)e^{3x}}{x}$

$y'-\frac{cosx(x^2+7)}{x}y=\frac{e^{3x}(x^2+7)}{x}$

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y'+P(x)y=g(x)

Compare it with first order first degree linear differential equation

$y'+P(x)y=g(x)$

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$\frac{dy}{dx}=\frac{f(x,y)}{g(x,y)}$

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Degree of f and g are not same .

Therefore, it is non- homogeneous .

Linear and non-homogeneous.

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2 years ago

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sesenic [268]

Answer:

A

Step-by-step explanation:

It should be all positive

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