LECTURE 1-1. DEFINITION OF SQUARE ROOTS SQUARE ROOT: NOTE : When where , means a positive real number such that Example 1: Evaluate Solution: is not real number since Example 2: Evaluate 3 4 8 12 0.7 7 3 6 Let and let be rational numbers. Warning :
LECTURE 1-1. DEFINITION OF SQUARE ROOTS SQUARE ROOT: where , means a positive real number such that NOTE : When Example 1: Evaluate Solution: is not real number since Example 2: Evaluate 3 4 8 12 0.7 7 3 6 Let and let be rational numbers. Warning :