$\displaystyle

u(x,y) = B (3x - 2y)

$

B is an arbitary function

find partial differentiation of u. Not including B

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- Jan 26th 2010, 10:32 PMharveyoPDE
$\displaystyle

u(x,y) = B (3x - 2y)

$

B is an arbitary function

find partial differentiation of u. Not including B - Jan 27th 2010, 03:51 AMmr fantastic
- Jan 27th 2010, 04:14 AMharveyo
i had

$\displaystyle

dy/dx = \partial x / \partial y = 3B (3x-2y)/ 2B (3x-2y) = -3/2

$

was this right?(Worried) - Jan 27th 2010, 04:18 AMharveyo
- Jan 27th 2010, 04:45 AMdedust