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Answer :

I think it the 3 and 4 one ... sorry if I’m wrong

Answer:

these are equivalent to [tex]4\sqrt{5}[/tex]:

[tex]2\sqrt{20},\ \ 3*5^{\frac{1}{2}}+5^{\frac{1}{2}}, \ \ 4*5^{\frac{1}{2}}[/tex]