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Math Help - Polynomial proof help.

  1. #1
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    Polynomial proof help.

    Show that if P(t), Q(t) and R(t) are real polynomials then P(t)(Q(t)+R(t)) = P(t)Q(t) + P(t)R(t)

    Thanks in advance!
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  2. #2
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    Quote Originally Posted by bluebiro View Post
    Show that if P(t), Q(t) and R(t) are real polynomials then P(t)(Q(t)+R(t)) = P(t)Q(t) + P(t)R(t)

    Thanks in advance!
    Using what concepts and theorems? I would just say that, for each t, P(t), Q(t), and R(t) are real numbers and apply the distributive law for real numbers.
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  3. #3
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    Quote Originally Posted by HallsofIvy View Post
    Using what concepts and theorems? I would just say that, for each t, P(t), Q(t), and R(t) are real numbers and apply the distributive law for real numbers.
    I didn't think of that, as we've been learning the distributive laws in Stats, but I don't see why that wouldn't work. Thanks!
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