H hs17 Member Joined Mar 1, 2020 Messages 95 Gender Female HSC 2021 Apr 29, 2021 #1 what is the order of this DE?
Q Qeru Well-Known Member Joined Dec 30, 2020 Messages 368 Gender Male HSC 2021 Apr 29, 2021 #2 hs17 said: View attachment 30579 what is the order of this DE? Click to expand... 1
H hs17 Member Joined Mar 1, 2020 Messages 95 Gender Female HSC 2021 Apr 29, 2021 #3 i thought so too but the answers say 2...prob a typo then
Q quickoats Well-Known Member Joined Oct 26, 2017 Messages 970 Gender Undisclosed HSC 2019 Apr 29, 2021 #4 hs17 said: i thought so too but the answers say 2...prob a typo then Click to expand... They probably meant y''+4y'+y=sin(x) cos it's kinda redundant to have y'+4y'
hs17 said: i thought so too but the answers say 2...prob a typo then Click to expand... They probably meant y''+4y'+y=sin(x) cos it's kinda redundant to have y'+4y'
C CM_Tutor Moderator Moderator Joined Mar 11, 2004 Messages 2,642 Gender Male HSC N/A Apr 29, 2021 #5 It is odd to write the equation as as it so obviously simplifies to and so I wonder if the question is meant to be in which case the answer would be 2.
It is odd to write the equation as as it so obviously simplifies to and so I wonder if the question is meant to be in which case the answer would be 2.
