Question

plz i need a smart guy who know diff eq to help
find power series expansion about x=0
z''-x^2z'-xz=0

Answer 1

i did everything

Answer 2

i got 2a2+(6a3-a0)x+summation 2 to inf((k+2)(K+1)ak+2 - (k-1)ak-1 -ak-1

Answer 3

try tag ppl like @earslan100

Answer 4

not alot of ppl can get this

Answer 5

i need to find coeff. set each coeff to 0
but is that 1st answer right i need to know

Answer 6

Can't girls do this?

Answer 7

they can if they know diff eq

Answer 8

So, most girls don't know the diff equation or something?

Answer 9

lol jk

Answer 10

lmao

Answer 11

nvm..sorry for disturbing!