Luck77
Luck77
28-11-2021
Mathematics
contestada
show that √20 = 2√5
Respuesta :
IIAshleyII
IIAshleyII
28-11-2021
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
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