Mathematics
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Showing posts with label
negative numbers
.
Show all posts
Showing posts with label
negative numbers
.
Show all posts
Thursday, November 04, 2010
Why (-1)(-1) = 1?
Why (-1)(-1) = 1?
Two methods shown.
1. Use of distributive law
2. Use of the Rule of Indices
Some discussions are given to illustrate the use of negative numbers.
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