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Help with ((equate the coefficient))

  1. Apr 25, 2012 #1


    hey >>>

    my q is : how can i solve this ?


    [url=http://hh7.an3m1.com/][PLAIN]http://hh7.an3m1.com/Sep/an3m1.com_e885c207f11.png[/url][/PLAIN]
     
  2. jcsd
  3. Apr 26, 2012 #2

    tiny-tim

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    Homework Helper

    welcome to pf!

    hi king of bee! welcome to pf! :wink:
    find a3 from the third equation, then a2 from the second equation, then a1 from the first equation …

    what do you get? :smile:
     
  4. Apr 26, 2012 #3

    HallsofIvy

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    Not "differential equations" so I am moving this.
     
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