1.

`(dy)/(dx)+(x-2y)/(2x-y)=0`

Answer» Correct Answer - `(y-x)=C(y+x)^(3)`
`int(2-v)/(v^(2)-1)dv=int1/xdx`.
`(2-v)/(v^(2)-1)={1/(2(v-1))-3/(2(v+1))}` [by partial fractions].


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