Question

Partial derivatives ! Help me please

Answer 1

12ln (Py)

Answer 2

So i dont include the rest though correct? ty

Answer 3

yup, because it is partial w.r.t py only, other variables are constants

Answer 4

ty!

Answer 5

ok

Answer 6

is your expression
\[\frac{12}{py}-4x^2-\frac{1}{m}\]

Answer 7

yes

Answer 8

loser did anti derivative not partial derivative

Answer 9

Oh! i was wondering why he left py there

Answer 10

just differentiate 12/py the other stuff are counted fixed when you do partials

Answer 11

oh yeah!! I am so sorry. I didn't realize that.

Answer 12

So it's (-12/py )- (4x^2)-(1/m)? How do you find the derivative when division is involved? is there a different rule

Answer 13

how do you differentiate 1/x ?

Answer 14

it would be -1/x^2 right? so then its supposed to be -12/py^2

Answer 15

using the power rule

Answer 16

?

Answer 17

yes close but you already have - with the new negative sign it cancels

Answer 18

Ohhh nvm

Answer 19

you said you have this (-12/py )- (4x^2)-(1/m)
see that negative sign
it will cancel with the negative sign once you differentiate

Answer 20

yeah :)

Answer 21

so its just 12/py^2

Answer 22

yes

Answer 23

thanks! :)

Answer 24

welcome
partial derivative work this
you fix one variable and differentiate for one