3. Given X, Y, Z, list all the possible ways you can arrange them 2 at a time in a row. 4. Given +, -, X, \div, list all the possible ways you can arrange them 3 at a time in a row.
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This means we need to consider all possible pairs of these three elements. The possible pairs are: - XY - XZ - YX - YZ - ZX - ZY So, there are six possible ways to arrange X, Y, and Z two at a time in a row. For the second question, we need to list all the Show more…
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