oblicz; pierwiastek z 2/3 razy (-3 pierwiastek  z 2/3 +4 pierwiastek z 0,375)

V(2/3)*[-3V(2/3) + 4V0,375] =   (0,375 = 375/1000 = 3/8) = V(2/3)*[-3V2/3 + 4V(3/8)]= -3*V(2/3)*V(2/3) + 4*V2/3 *V(3/8) = = -3*2/3 + 4*V(6/24) = -2 + 4V1/4 = -2 + 4*1/2 = -2+2 = 0