physics

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1/2(v0+v)(v-v0)
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(a)

  • physics -

    (Vo+V)(V-Vo) = VoV - Vo^2 + V^2 - VoV =
    1/2(Vo^2-V^2). This is the difference of 2 squars. So the expression was already in factored and simplied form.

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