Answered

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Simplify the following radical expression.
√20
OA. 2√5
OB. 5√2
OC. 4√5
D. 10√5
OO

Sagot :

It would be: A 2 radical 5
Dekaradoidn
_/20

This Is A Surd, In Order To Solve A Surd Question You Need To Look For The Numbers One Which Is "Rational" And The Other Which Is "Irrational"

Rational Number: This Are Number That The Root Give A Whole Number e.g _/4, _/16 etc

Irrational Number Is Opposite Of Rational


_/20
= _/4*5
= _/4 * _/5
= 2*_/5
=2_/5

OA Is Correct
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