## Unit 06 Exponents and Logarithms (General Mathematics 9 PCTB)

Notes, solutions of unit 02, General Mathematics 9, for Punjab Curriculum & Textbook Board (PCTB), Lahore.

* Find Highest Common Factor and Least Common Multiple of algebraic expressions.

- Use factor or division method to determine Highest Common Factor and Least Common Multiple.
- Know the relationship between H.C.F. and L.C.M.
- Solve real life problems related to H.C.F. and L.C.M.
- Use Highest Common Factor and Least Common Multiple to reduce fractional expressions involving $+ , – , \times , \div $ .
- Find square root of algebraic expressions by factorization and division.

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