Apakah punca kuadrat 42.3?

Jawapan:

#sqrt (423/10) = 3 / 10sqrt470 #

Penjelasan:

#sqrt (423/10) #

# = sqrt423 / sqrt10 #

# = sqrt (9 * 47) / sqrt10 #

# = (sqrt (3 ²) * sqrt47) / sqrt10 #

# = 3sqrt (47/10) #

# = 3 / 10sqrt470 #

0 / sini ialah jawapan kami!

Jawapan:

# 3sqrt (4.7) #

Penjelasan:

#sqrt (42.3) #

#:. = sqrt (3 * 3 * 4.7) #

#:. = sqrt3 * sqrt3 = 3 #

#:. = 3sqrt4.7 #