Question

DESCRIBE PRINCIPAL ROOTS AND TELLS WHETHER THEY ARE RATIONAL OR IRRATIONAL?

Answer 1

Answer:

The principal roots are rational numbers

Step-by-step explanation:

Principal roots :

The principal root is determine if the radicand  is a perfect n t h power of a number then the root is rational.

Therefore the principal root is a rational number

Examples of a principal root

a)   √4 = 2

b)    $\sqrt{0.81} =0.9$

c)  $\sqrt{\frac{9}{36} } = \frac{\sqrt{9} }{36} = \frac{3}{6} = \frac{1}{2}$