i need your help...i had to solve some ode using the(adsbygoogle = window.adsbygoogle || []).push({}); frobeniusmethod but half-way through i stuck...

for the first ode

i didn't know what to do when i had to multiply the sinx and cosx with y,y',y"

ii)i had a problem because of the cosx and i couldnt equate the series...--->second ode

iii)a) the third is to be solved using frobenius, but a1 has a problem...,

b) by using y(x)=w(x)/x, i had to find the new solution

oh and x0=0

the ode formulas are attached...forgive me i am not a native english speaker and it is the first time i write in this kind of forum...also please help me as much as you can...i have a deadline until tommorow...thanks again...

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# Homework Help: Problem in ode with frobenius

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