Question Number 194343 by BaliramKumar last updated on 04/Jul/23
$$\lfloor\mathrm{9}.\overset{−} {\mathrm{9}}\rfloor\:=\:? \\ $$
Answered by MM42 last updated on 04/Jul/23
$$\mathrm{9} \\ $$
Answered by deleteduser4 last updated on 04/Jul/23
$$\mathrm{10} \\ $$
Answered by Tinku Tara last updated on 05/Jul/23
$$\mathrm{9}.\overset{−} {\mathrm{9}}=\mathrm{9}+\frac{\mathrm{9}}{\mathrm{10}}+\frac{\mathrm{9}}{\mathrm{10}^{\mathrm{2}} }+... \\ $$$$=\frac{\mathrm{9}}{\mathrm{1}−\frac{\mathrm{1}}{\mathrm{10}}}=\mathrm{10} \\ $$