Question

CORRECTION HELP (file attached in second post)

Answer 1

wow wtf is this?????????????

Answer 2

There is a term missing, I think

Answer 3

In the last part

Answer 4

Its partial differentiation haha

Answer 5

i may have it just a sec

Answer 6

cool thx

Answer 7

what part is it

Answer 8

i know the last part but what part of that.

Answer 9

are you a senior in high school or a freshman in college

Answer 10

wait a sec then i will write to you

Answer 11

k

Answer 12

"the last term of the left hand side of the 3rd line (the 2nd line that includes partial derivatives), which is the term just before the equals sign, is -2x^3z^3dz/dx
That term is just dropped, vanishing never to be seen again on the 4th line and thereafter." Thats what I got told by my teacher - so how do I include that term in the equation so it becomes correct?

Answer 13

in the third line of ur solution i see 4 terms with dz/dx
in the fourth line there are three...

Answer 14

sorry tried my best but too difficult for me srry

Answer 15

hey baru. Yes, but that was not what my teacher pointed out. He pointed out that missing term :)

Answer 16

thats ok chris... anyone?

Answer 17

yes, i see it, you have missed that term. you have to redo the fourth step of the solution

Answer 18

you have just skipped a term

Answer 19

@Lillery

Answer 20

Oh yes I'm still here, I'm trying to redo it now. Would you stay until i'm done and see whether its correct?

Answer 21

ok

Answer 22

So I should just put it like this? Should I reduce it some more?

Answer 23

that is one scary looking thing xD...
it looks right to me, i dont think you can simplify it further

Answer 24

haha thx!!

Answer 25

misty if you know something, you're welcome to contribute