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Line 93:
: <math> 2-m^2 =\sqrt{2+(2-M^2)}\, ,</math>
in which {{math|''m''}} is the length of one side of
== Quick method ==
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→top: ce |
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Line 93:
: <math> 2-m^2 =\sqrt{2+(2-M^2)}\, ,</math>
in which {{math|''m''}} is the length of one side of
== Quick method ==
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