Write the Word or Phrase That Best Completes Each Statement $\int \frac{\mathrm{du}}{\mathrm{a}^{2}-\mathrm{u}^{2}}$

Essay

Write the word or phrase that best completes each statement or answers thequestion.
-A student finds the integral $\int \frac{\mathrm{du}}{\mathrm{a}^{2}-\mathrm{u}^{2}}$ in a table. The student wishes to find $\int \frac{\mathrm{dx}}{8-\mathrm{x}^{2}}$ . How can the student use the table?