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What I don't understand is how the condition on the differentials imply the equality between the derivatives above.

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- Thread starter hrmello
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- #1

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What I don't understand is how the condition on the differentials imply the equality between the derivatives above.

- #2

ShayanJ

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[itex] \frac{\partial^2 f}{\partial q_1 \partial q_2}=\frac{\partial^2 f}{\partial q_2 \partial q_1} \Rightarrow \frac{\partial B_2}{\partial q_1}=\frac{\partial B_1}{\partial q_2} [/itex].

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Thanks, Shyan! :D

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