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The Given points are (1,2) and (7,10).

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$\"\"$ (Use distance formula)

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$\"\"$ ( $\"\"$ )

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$\"\"$ (Subtract: $\"\"$ )

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$\"\"$ ( $\"\"$ )

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$\"\"$ (Add: $\"\"$ )

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$\"\"$

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$\"\"$

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The solution is 10.