Welke waarde komt overeen met de vierkantswortel van 18? A) 182 B) 2sqrt (3) C) 3sqrt (2) D) abs (18)

Antwoord:

C) # 3sqrt (2) #

Uitleg:

vierkantswortel van 18

#color (wit) ("XXX") = sqrt (18) #

#color (wit) ("XXX") = sqrt (3xx3xx2) #

#color (wit) ("XXX") = sqrt (3) xxsqrt (3) xxsqrt (2) #

#color (wit) ("XXX") = 3xxsqrt (2) #

#color (wit) ("XXX") = 3sqrt (2) #