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Show that √20 = 2√5 ​
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Show that √20 = 2√5 ​

User Unruledboy
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1 Answer

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  • 2√5=√4×√5. (as √4=2)

  • So,we can write √2×5 as √4×√5

  • 2√5=√4×5

  • 2√5=√4× √5.

  • 2√5=√20

hence , 2√5 = √20

User Teena Nath Paul
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