Question: Obtain the general solutions of these differential equations: (a) (1 : (b) sin r sin y dr + cos z cos y dy =

Obtain the general solutions of these differential equations: (a) (1 : (b)

Obtain the general solutions of these differential equations: (a) (1 : (b) sin r sin y dr + cos z cos y dy = 0 (ry +2)dr = (F + + +1)dy = 0; (e) a'dr= F- a dy (c) ry dr + e dy = 0 (d)

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