Question

ln(x^2+y^2) find d^2/dxdy

Answer 1

find what?

Answer 2

differentiate it ... first with respect to x, then differentiate the result with respect to y.

Answer 3

\[4 xy/ ( x^{2} + y^{2}^{2})\] will be the answer

Answer 4

im i right?

Answer 5

latex not rendering properly.

Answer 6

looks good.

Answer 7

except maybe for a minus sign?

Answer 8

yea you are right !

Answer 9

Thanks everybody!!