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Question Number 1743 by 123456 last updated on 12/Sep/15
$${u}'\left({v}−{v}'\right)+{uv}'=\mathrm{0} \\ $$$${u}=? \\ $$
Commented by Rasheed Ahmad last updated on 13/Sep/15
$${u}'\left({v}−{v}'\right)+{uv}'=\mathrm{0} \\ $$$${u}'{v}+{uv}'−{u}'{v}'=\mathrm{0} \\ $$$$\left({uv}\right)'={u}'{v}' \\ $$
Answered by Rasheed Ahmad last updated on 13/Sep/15
$${u}=\mathrm{0} \\ $$