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.