Math, asked by amitawasthiofficial, 5 months ago

answered my question​

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Answers

Answered by VanshikaBhati646
0

Step-by-step explanation:

y−x

dx

dy

=x+y

dx

dy

Substitute

y=vx⇒

dx

dy

=v+x

dx

dv

∴−x(x

dx

dv

+v)+xv=x+x(x

dx

dv

+v)v

dx

dv

=

x(v+1)

−v

2

−1

−v

2

−1

v+1

dx

dv

=

x

1

Integrating both sides w.r.t x we get

−v

2

−1

v+1

dx

dv

dx=∫

x

1

dx

⇒tan

−1

v−

2

1

log(v

2

+1)=logx+c⇒kx=e

x

y

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