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幂法则求导练习
幂法则求导 · 1–12
求导数。
1.f(x) = 2x5 + 7x2 + 8x + 8f′(x) =
2.f(x) = 4x7 − 3x2 − 6x − 4f′(x) =
3.f(x) = −3x7 + 5x − 6f′(x) =
4.f(x) = −2x6 + 6x2 + 3x + 7f′(x) =
5.f(x) = −4x4 − 6x2 + 7x − 4f′(x) =
6.f(x) = −4x5 + 4x2 + 8x − 7f′(x) =
7.f(x) = −3x7 + 9x2 − 5x − 5f′(x) =
8.f(x) = 4x4 − 9x2 + 2x + 6f′(x) =
9.f(x) = 3x6 − 9x2 − 5xf′(x) =
10.f(x) = −x6 + 5x + 5f′(x) =
11.f(x) = −x7 + 6x2 + 2x − 4f′(x) =
12.f(x) = −2x6 − 8x2 + 7x + 3f′(x) =
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