sashaproudnikov sashaproudnikov
  • 12-10-2020
  • Mathematics
contestada

rationalise the denominator 20 over root 2

Respuesta :

jimrgrant1 jimrgrant1
  • 12-10-2020

Answer:

see explanation

Step-by-step explanation:

Given

[tex]\frac{20}{\sqrt{2} }[/tex]

To rationalise the denominator multiply the numerator and denominator by [tex]\sqrt{2}[/tex], that is

[tex]\frac{20(\sqrt{2}) }{\sqrt{2}(\sqrt{2}) }[/tex]

= [tex]\frac{20\sqrt{2} }{2}[/tex]

= 10[tex]\sqrt{2}[/tex]

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