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Alexus [3.1K]
3 years ago
5

A curve passes through the point (0,2) and has the property that the slope of the curve at every point PP is five times the yy-c

oordinate of PP. What is the equation of the curve?
Mathematics
1 answer:
Minchanka [31]3 years ago
4 0

Answer:

y=2e^{5x}

Step-by-step explanation:

The slope of a curve is given by its derivative function. From the question, its value at any point (x, y) is 5 times y.

\dfrac{dy}{dx}=5y

\dfrac{dy}{y}=5dx

Integrate both sides

\int\dfrac{dy}{y}=5dx

Don't forget the constant of integration

\ln y= 5x + C

y=e^{5x+C}=e^{5x}\cdot e^C

Since C is a constant, then e^C is constant. Let's call it A.

y=Ae^{5x}

At the point (0, 2), when x = 0, y = 2.

2=Ae^{5\times0}

2=Ae^{0}

A=2

Hence,

y=2e^{5x}

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