ddxuv=\dfrac{d}{dx}\dfrac{u}{v} =dxdvu=Au′v−uv′v2\dfrac{u'}{v} - \dfrac{u v'}{v^2}vu′−v2uv′Bu′v−uv′v2\dfrac{u' v - u v'}{v^2}v2u′v−uv′check_circleCu′v′\dfrac{u'}{v'}v′u′Du′v+uv′v2\dfrac{u' v + u v'}{v^2}v2u′v+uv′ExplanationQuotient rule.