alin7490
contestada

1.
PART-A
The solution of the differential equation (xsin(y / x)) dx - (ysin(y/x) - x) dy = 0 is
(a)
cos(y/x) = 0
(b) sin(y/x) = 0
(c) cos(y/x) - log x= constant
(d)
sin(y/x) - log x= constant

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