68. Let Jr dx. %3D (a) Show that J1 = -e-x²/2. (b) Prove that Jn = -x"-le-x*/2 + (n – 1)Jn–2. %3D (c) Use (a) and (b) to compute J3 and J5.

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A: NOTE: Refresh your page if you can't see any equations. . use the log rule

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