Multiplying Surds
√a × √b = √(a × b) |
a½ × b½ = (a × b)½ |
- Example 1. work out √3 × √2
- Example 2. work out √2 × √5
√3 × √2
= √(3 × 2) = √6
√2 × √5
= √(2 × 5) = √10
√a × √b = √(a × b) |
a½ × b½ = (a × b)½ |
√3 × √2
= √(3 × 2) = √6
√2 × √5
= √(2 × 5) = √10