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Dirac delta function

  1. Jun 21, 2005 #1
    i can't solve there problem, please help me

    1) delta(y^2-a^2) = 1/absolute 2a[delta(y-a)+delta(y+a)]

    2) f(y)delta(y-a) = f(a)delta(y-a)
  2. jcsd
  3. Jun 21, 2005 #2


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    Well,the first is really easy,you just need to apply the theory.

    For the second,integrate both sides wrt "y" on an interval containing the point y=a.

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