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Factor 5/(21a)-1/(12b)

$\frac{5}{21 a} - \frac{1}{12 b}$

Step 1

$\frac{5}{21 a} - \frac{1}{12 b}$

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

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