Show that for every real-valued function (u=u^{+}-u^{-})and (|u|=u^{+}+u^{-}).
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Show that for every real-valued function \(u=u^{+}-u^{-}\)and \(|u|=u^{+}+u^{-}\).
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By definition ut x max ux 0 and ux minux 0 Now th...View the full answer
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