integral from 2 to x of t^7

解答

\int_{2}^{x} t^{7} d t

\frac{x ^{8}}{8} - 32

求解步骤

\int_{2}^{x} t^{7} d t

使用幂法则

= [\frac{t ^{8}}{8}]_{2}^{x}

带入上下限计算后得:

\frac{x ^{8}}{8} - 32

= \frac{x ^{8}}{8} - 32

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