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5-79.

Sometimes people make mistakes when differentiating using the Chain Rule. Explain the mistakes in the work below. Then write the correct derivatives. Homework Help ✎

  1. f (x) = –5(6x4 – 1)10 + π
    f ′(x) = –50(24x3 – 1)9

  2. f (x) = sin(x2x)
    f ′(x) = − cos(x2x)