Question
For the binary operation multiplication modulo $5 (\times _5)$ defined on the set $S = \{1, 2, 3, 4\}.$ Write the value of $(3 \times _5 4^{-1})^{−1}$
| $\times _5$ | $1$ | $2$ | $3$ | $4$ |
| $1$ | $1$ | $2$ | $3$ | $4$ |
| $2$ | $2$ | $4$ | $1$ | $3$ |
| $3$ | $3$ | $1$ | $4$ | $2$ |
| $4$ | $4$ | $3$ | $2$ | $1$ |
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
|
$\text{X}$
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$0$
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$1$
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$2$
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$3$
|
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$\text{P}(\text{X})$
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$\text{k}$
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$\frac{\text{k}}{2}$
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$\frac{\text{k}}{4}$
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$\frac{\text{k}}{8}$
|