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# A homogeneous differential equation of the form $\frac{\large dx}{\large dy}=h\bigg(\frac{\large x}{\large y}\bigg)$ can be solved by making the substitution

$(A)\;y=\;vx\qquad(B)\;v=\;yx\qquad(C)\;x=\;vy\qquad(D)\;x=\;v$