(3)
Determine what number when multiplied by
itself will approximate or equal the
first group (or single digit) under the
radical sign, and then place that number
directly above the second digit of that
group. For Example:
(4)
Place
the
product
of
the
number
multiplied by itself below the group,
subtract any difference, and bring this
difference down.
(5)
Double the trial square root (above the
radical sign) and place it to the left
of the difference obtained, allowing
room for another digit.
This is your
divisor.
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