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Are these steps correct

  1. May 15, 2009 #1
    Are these steps correct , The problem statement and the proof are in the attached file

    Excuse me , I'm not so good at proofs
     

    Attached Files:

  2. jcsd
  3. May 15, 2009 #2

    HallsofIvy

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    First, this should not be posted under "Learning Materials". This area is for tutorials, not questions, so I am moving it to the homework section.

    Second, you have
    [tex]\int_a^b\left(M(x)+ h(x)\right)^2 dx= \int_a^b M^2(x)+ h^2(x) dx[/tex]
    and "differentiate with respect to x". Since those are definite integrals, they are numbers, constants, not functions of x and "differentiating with respect to x" just gives 0= 0.
     
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