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Debora [2.8K]
2 years ago
5

Apply green’s theorem to evaluate the integral 3ydx 2xdy

Mathematics
1 answer:
Ne4ueva [31]2 years ago
3 0

The value of the integral 3ydx+2xdy using Green's theorem be - xy

The value of    \int\limits_c 3ydx+2xdy  be -xy

<h3>What is Green's theorem?</h3>

Green's theorem relates a line integral around a simple closed curve C to a double integral over the plane region D bounded by C.

If M and N are functions of (x, y) defined on an open region containing D and having continuous partial derivatives there, then

\int\limits_c Mdx+Ndy = \int\int\〖(N_{x}-M_{y}) \;dxdy

Using green's theorem, we have

\int\limits_c Mdx+Ndy = \int\int\〖(N_{x}-M_{y}) \;dxdy ............................... (1)

Here N_{x} = differentiation of function N w.r.t. x

          M_{y}= differentiation of function M w.r.t. y

Given function is: 3ydx + 2xdy

On comparing with equation (1), we get

M = 3y, N = 2x

Now, N_{x} = \Luge\frac{dN}{dx}

               = \frac{d}{dx} (2x)

              = 2

and, M_{y} = \Huge\frac{dM}{dy}

             = \frac{d}{dy} (3y)

             = 3

Now using Green's theorem

= \int\int\〖(2 -3) dx dy

= \int\int\ -dxdy

= -\int\ x dy

=-xy

The value of  \int\limits_c 3ydx+2xdy  be -xy.

Learn more about Green's theorem here:

brainly.com/question/14125421

#SPJ4

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