Odgovor:
#sqrt ((x - 1) ^ (5)) #
Pojasnilo:
Imamo: # (x - 1) ^ (2) sqrt (x - 1) #
# = (x - 1) ^ (2) cdot (x - 1) ^ (frac (1) (2)) #
Uporaba zakonov eksponentov:
# = (x - 1) ^ (2 + frac (1) (2)) #
# = (x - 1) ^ (frac (5) (2)) #
# = sqrt ((x - 1) ^ (5)) #