POPRAWIONE ZADANIE a) a. (2/5)^7 x 2,5^6 =..... = (2/5)^7 * (5/2)^6 = =(2/5)^7 *(2/5)^(-6) = = (2/5)^1 = 2/5 b. 1/2 pierwiastek z 3 x pierwiastek z 3 /4 = ..... = 1/2*√3*√3 /4 = = 1/2*3 :4 = = 3/2 *1/4= = 3/8 lub jeżeli jest: 1/2*√3 *√(3/4) = = 1/2*√3*√3 : *√4 = = 1/2*3 :2 = = 3/2*1/2= = 3/4 c. 3+6pierwiastek z 5 /3 = .... = 3 + 6*√(5/3) = = 3 + (6*√5 ):(√3)= = 3 + (6*√15 ):3 = = 3 + 2*√15 lub jeżeli jest: (3 + 6*√5) :3 = = 1 + 2*√5 lub jeżeli jest 3 + (6*√5):3 = = 3 + 2*√5
a) (2/5)^7 * 2,5^6 =(2/5)^7 *(25/10)^6 =(2/5)^7 *(5/2)^6 = = (2/5)^7 *(2/5)^(-6) =(2/5)^1 =2/5 b) 1/2V3 *V3/4 =1/2V3 *V3:4 =3/2:4 =3/2 *1/4 =3/8 c) (3+6V5)/3 =3/3 + 6V5/3 =1 +2V5
