Mathematics for IGCSE & O level - Surds (Section 1 - No. 3)
Which of the following is correct?
√a * √b = √(ab)
√a + √b = √(a+b)
√a / √b = √(a/b)
√a - √b = √(a-b)
解释
The product and quotient properties of radicals are true; the sum and difference are incorrect.