Bagaimana Anda menyederhanakan sqrt (9x ^ 2) / sqrt (18y ^ 2)?

Bagaimana Anda menyederhanakan sqrt (9x ^ 2) / sqrt (18y ^ 2)?
Anonim

Menjawab:

# x / (sqrt (2) y) #

Penjelasan:

#sqrt (9x ^ 2) / sqrt (18y ^ 2) #

# sqrt9 = 3 #

#sqrt (x ^ 2) = x #

# sqrt18 = sqrt (9xx2) = 3sqrt2 #

#sqrt (y ^ 2) = y #

Karena itu

#sqrt (9x ^ 2) / sqrt (18y ^ 2) = (3x) / (3sqrt (2) y) #=# x / (sqrt (2) y) #