Question

determine a fração geratriz:
0,121121121...
plisss preciso de ajuda ! ! ! ​

Answer 1

$\mathtt{x=0,121121121... \times1000}\\\mathtt{1000x=121,121121... }$

$\mathtt{-\underline{\begin{cases}1000x=121,121121... \\x=0,121121121.... \end{cases}}}$

$\mathtt{999x=121}$

$\huge\boxed{\boxed{\mathtt{x=\dfrac{121}{999}}}}$