## Algebra: A Combined Approach (4th Edition)

Appendix A - Ex. Set : 5 (Answer) $\frac{a^{12}b^{2}}{a^{9}b}$ $= a^{3}b$
Appendix A - Ex. Set : 5 (Solution) $\frac{a^{12}b^{2}}{a^{9}b}$ $= a^{12-9}b^{2-1}$ (Quotient rule) $= a^{3}b$