5 items are filed under this topic.
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Associative or commutative? |
2007-08-24 |
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From Terry:
5*(7*2)=(7*5)*2 Is this associative property or commutative ??? Both?
Answered by Penny Nom. |
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A binary operation |
2007-07-31 |
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From sofia:
Prove that if * is associative and commutative binary operation on a set S, then
(a*b)*(c*d) = [(d*c)*a]*b
for all a,b,c,d element in S. Assume the associative Law only for triples as in the definition that is, assume only
(x*y)*z = x*(y*z)
for all x,y,z element in S.
Answered by Penny Nom. |
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Binary operations |
2007-07-30 |
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From jim:
prove or disprove:
Every binary operation on a set consisting of a single element is both commutative and associative.
Answered by Penny Nom. |
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A commutative subgroup |
2007-05-03 |
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From moulipriya:
If H be a commutative subgroup of a group G. Then can we say that G is also commutative?
Answered by Penny Nom. |
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Definitions |
1997-09-08 |
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From SohoGirl13:
I am an 8th grader. my e-mail address is SohoGirl13@aol.com. I have a question: what are the associative, communitive, and distributive properties?
Answered by Harley Weston. |
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