Question

guys please help me!!!​

Answer 1

The statement a is greater than or equal to b, denoted by a ≥ b, means a>b or a = b. A real number a is said to be positive if a > 0. The set of all positive real numbers is denoted by R+, and the set of all positive integers by Z+.

Answer 2

Answer:

$d) \: \sqrt{a} \sqrt{b}$

Step-by-step explanation:

According to Rules of Surds,

$\sqrt{ab} = \sqrt{a} \sqrt{b}$

thus option D is the correct answer.

hope it helps

ana205