Question

multiplicative inverse please give answer quickly ​

Answer 1

hope this helps you mate

Answer 2

$- \frac{12}{19} \times \frac{1}{19 } \\ = \frac{12}{361} \\ \\ \\ \\ 12 \: )361(3 \\ 36 \\ \\ - - - - - - - - - - - - - \\ \\ (1)$