Question

raiz cúbica de 2+raiz de x +1=2
como resolve essa equação irracional?

Answer 1

Log(Raizcubica(2))basex = 1/2 Raizcubica(2) = x^(1/2) 2^(1/3)=x^(1/2) Joga log na base 2 agora. 1/3 log(2)base2 = 1/2 log(x)base2 1/3 = 1/2 log(x)base2 2/3 = log(x)base2 2^(2/3) = x x = Raizcubica de 4