we have . If the statement is false provide counterexample and if true prove it. If and is differentiable on , then is differentiable on .

Please help a brother get started. (Nod)

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- Feb 13th 2010, 11:59 PMEndowedHelp w/ Differentiability
we have . If the statement is false provide counterexample and if true prove it. If and is differentiable on , then is differentiable on .

Please help a brother get started. (Nod) - Feb 14th 2010, 01:42 AMJhevon