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初级微积分示例有理式与有理方程

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$\frac{2}{x - 6} \cdot \frac{3}{x + 7}$

解题步骤 1

将 $\frac{2}{x - 6}$ 乘以 $\frac{3}{x + 7}$ 。

$\frac{2 \cdot 3}{(x - 6) (x + 7)}$

解题步骤 2

将 $2$ 乘以 $3$ 。

$\frac{6}{(x - 6) (x + 7)}$

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有理式与有理方程

Reducing Cancelling the Common Factors Rewriting in Standard Form Operations on Rational Expressions Determining if the Point is a Solution Finding the Domain Solving over the Interval Finding the Range Finding the Domain and Range Solving Rational Equations Adding Rational Expressions Subtracting Rational Expressions

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$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$