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Rationalise the denominator 20 over root 2
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3 votes
Rationalise the denominator 20 over root 2

User DashAnimal
by
7.5k points

1 Answer

5 votes

Answer:

see explanation

Explanation:

Given


(20)/(√(2) )

To rationalise the denominator multiply the numerator and denominator by
√(2), that is


(20(√(2)) )/(√(2)(√(2)) )

=
(20√(2) )/(2)

= 10
√(2)

User Arlina
by
7.1k points
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