Kako poenostavite sqrt18 / sqrt3?

Kako poenostavite sqrt18 / sqrt3?
Anonim

To vem #sqrt A / sqrt B = sqrt (A / B) # potem

#sqrt 18 / sqrt 3 = sqrt (18/3) = sqrt 6 #

Lahko vzamete en velik kvadratni koren:

#sqrt (18/3) = sqrt (6) #

Ali:

Pomnožite in delite s #sqrt (3) #:

#sqrt (18) / sqrt (3) * sqrt (3) / sqrt (3) = (sqrt (6 * 3) * sqrt (3)) / 3 = (sqrt (6) sqrt (3)) sqrt (3)) / 3 = #

# = prekliči (3) sqrt (6) / prekliči (3) = sqrt (6) #