Question: a) Solve : (2xy cos x 2 - 2xy + 1) dx + (sin x 2 - x 2 ) dy = 0. b) Solve

a) Solve : (2xy cos x 2 - 2xy + 1) dx + (sin x 2 - x 2 ) dy = 0. b) Solve : 2 2 2 2 1 , 1 ( 1) dy x y dx x x given that y (1) = 0

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