Question

calcule as raízes por fatoração do radicando.
a)√169. b)3√125. c)4√625. d)7√128
e)10√1024. f)6√729

Answer 1

a) √169=√13^2= 13
B) √125= √5^2*5= 5√5
C)4√625=4√25^2=4*25=100
d) 7√128=7√2^2*2^2*2^2*2=7*8√2=56√2
e)6√729=6√3^2*3^2*3^2=6*3*3*3=162