Question

let (y+2, 2x - 1) = (x-1, y+2) find the value of de and y​

Answer 1

Answer:

ANSWER

y

2

dx+xdy=

y

dy

dy

dx

+

y

2

x

=

y

3

1

IF =e

∫

y

3

1

dy

=e

−

y

1

e

−

y

1

⋅x=∫e

−

y

1

⋅

y

3

1

dy+C

xe

−

y

1

=e

−

y

1

+

y

e

−

y

1

+C

C=−

e

1

x=

2

3

−

e

1

when y=2.

Answer 2

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