Reversal formed by Repdigits of Base minus 1 by Addition and Multiplication/Examples/7

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Example of Reversal formed by Repdigits of Base minus 1 by Addition and Multiplication

\(\ds 7 + 7\) \(=\) \(\ds 16_8\)
\(\ds 7 \times 7\) \(=\) \(\ds 61_8\)


Proof

A direct application of Reversal formed by Repdigits of Base minus 1 by Addition and Multiplication:

$\blacksquare$


Sources