anonymous
  • anonymous
FOR REDUCTION OF ORDER (D^2+4)y=sinx @TuringTest :)) i have the answer but i dont know how it came with it :)
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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wasiqss
  • wasiqss
well i can tell you how to do it
anonymous
  • anonymous
that's great! can you help me? please? :)
wasiqss
  • wasiqss
do you want complimentary or particular solution

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More answers

anonymous
  • anonymous
both? and the general solution? :)))) please?
wasiqss
  • wasiqss
y complimentary =d^2=-4 d=+2i, -2i hence Y complimentary =C1 cos2x+C2 Sin2x
wasiqss
  • wasiqss
Y particular = (Sinx)/(D^2 +4) now the cofficient of x (that is with sin =1) hence we put the square of the negative value of coffiecient of x in the variable D hence it becomes Sinx/(- (1^2)+4) hence Y particular=Sinx/3
anonymous
  • anonymous
can you give me a detailed solution? like in integrating it? or what? does it need wronkian in reduction?
wasiqss
  • wasiqss
Lol its the solution and detailed one and the general solution is Yparticular + Y general
anonymous
  • anonymous
so you mean the reduction of order is a simplier method compared to variation? or it depends?
wasiqss
  • wasiqss
well i did the differential equations this way and i find it simple
wasiqss
  • wasiqss
u in which grade
anonymous
  • anonymous
2nd year college
wasiqss
  • wasiqss
im a first year college student though :D
anonymous
  • anonymous
hmm.. i thinkn you have k12 :)
anonymous
  • anonymous
so what's the steps that im going to put on my paper? :) first the yc then the yp immediately? and lastly the y?
wasiqss
  • wasiqss
yehh exactly :)
wasiqss
  • wasiqss
what is K12
anonymous
  • anonymous
woah. what a short process?
wasiqss
  • wasiqss
yehh i will be glad to help u in these type of questions :)_
anonymous
  • anonymous
hence we put the square of the negative value of coffiecient of x in the variable D hence it becomes ??? wat do u mean of that? can u clarify it with me?
wasiqss
  • wasiqss
like if its Sin 2x then the cofficient of x=2 and hence we would put the square that is 4 in this case and negative means i will add - to the square of the coffiecient .
wasiqss
  • wasiqss
but remember we can only do that when it is D^2
anonymous
  • anonymous
so i shall only follow the process that you gave to me?
wasiqss
  • wasiqss
yehh u should
anonymous
  • anonymous
Y particular = (Sinx)/(D^2 +4) now the cofficient of x (that is with sin =1) hence we put the square of the negative value of coffiecient of x in the variable D hence it becomes Sinx/(- (1^2)+4) hence Y particular=Sinx/3 so i will put this on my paper? lol
anonymous
  • anonymous
yp= sinx / (d^2+4)
wasiqss
  • wasiqss
Yparticular = (Sinx)/(D^2 +4) now the cofficient of x (that is with sin =1) hence we put the square of the negative value of coffiecient of x in the variable D^2 hence it becomes Sinx/(- (1^2)+4) hence Y particular=Sinx/3
wasiqss
  • wasiqss
now thats perfect
anonymous
  • anonymous
now the cofficient of x (that is with sin =1)???? this?
wasiqss
  • wasiqss
yehh
anonymous
  • anonymous
wat do u mean? is it constant? sin =1?
wasiqss
  • wasiqss
i mean if its sin3x then constant cofficient=3
anonymous
  • anonymous
ahh.. now i know! i get it. lol HAHA so if sin3x the it could sin3x/-3^2+4? i jst change 1 to 3
wasiqss
  • wasiqss
yayyy finally u got it :)
anonymous
  • anonymous
hmm.. so the short process of yours will give me high score? :))
wasiqss
  • wasiqss
yehhh :)
anonymous
  • anonymous
HAHA. thanks friend. i hope i can count on you next time :)
wasiqss
  • wasiqss
Lol probability is low though :D
anonymous
  • anonymous
HAHA.. lol :)
TuringTest
  • TuringTest
sorry, I need to review reduction of order...
anonymous
  • anonymous
hey turing test. i have a question. ahm. can wolfram able to answer laplace problems?
amistre64
  • amistre64
yes it can
amistre64
  • amistre64
http://www.wolframalpha.com/input/?i=laplace+inverse

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