Answer:
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Step-by-step explanation:
What is 0 - 9 equal
1 answer:
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If we do not care about order, then a combination is an arrangement of r objects chosen from n distinct objects. It can often be seen written as:
or 
Its factorial form is:
Its factorial form is:
Answer:
Following are the solution to the given points:
Step-by-step explanation:
In point 1:
The Reflexive closure:
Relationship R reflexive closure becomes achieved with both the addition(a,a) to R Therefore, (a,a) is
Thus, the reflexive closure:
In point 2:
The Symmetric closure:
R relation symmetrically closes by adding(b,a) to R for each (a,b) of R Therefore, here (b,a) is:
Thus, the Symmetrical closure: