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The sum of the products of the ten numbe...

The sum of the products of the ten numbers `+-1,+-2,+-3,+-4,+-5` taking two at a time is:

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To solve the problem of finding the sum of the products of the ten numbers \( \pm 1, \pm 2, \pm 3, \pm 4, \pm 5 \) taken two at a time, we can follow these steps: ### Step 1: Understand the Numbers The ten numbers are: \[ 1, -1, 2, -2, 3, -3, 4, -4, 5, -5 \] We need to find the sum of the products of these numbers taken two at a time. ...
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