User Submartingale

9 Actions

awarded

Teacher

Nov 11, 2021 at 20:19

comment

Fell free to accept the answer!

Jul 21, 2021 at 2:34

answered

Jun 14, 2021 at 15:04

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awarded

Supporter

Apr 9, 2017 at 16:44

awarded

Scholar

Jun 19, 2011 at 20:20

accepted

Jun 19, 2011 at 20:07

awarded

Student

Jun 19, 2011 at 7:35

comment

Yes I took $\frac{\partial}{\partial y}$ once and $\frac{\partial}{\partial x}$ twice from both sides but I couldn't get the above form...

Jun 19, 2011 at 1:16

asked

Jun 18, 2011 at 22:00

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