Question

Express the rational number 0.9 bar in the form of p by q and P by Q are integers and q is not equal to zero

Answer 1

Hope it helps..........

Answer 2

x=1

$Multiply equ. (i) by 10 , we have \begin{gathered}10 x=9,9999 \ldots \\10 x=9+0.9999 \ldots \\10 x=90 \\10 x-x=9 \\x=9 \\x=1\end{gathered}$

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