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Integration techniques for monomials and simple polynomials.

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Find the following definite integrals.

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$\\int_a^bx^n=\\frac{b^{n+1}-a^{n+1}}{n+1}$

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upper bound of integration

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the power on x

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lower bound of integration

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$\\int_{0}^{1}{x^{\\var{n}}}$

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$\\int_{\\var{a}}^{\\var{b}}{x^{\\var{n}}}$

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