Combination is a technique that states many ways of constructing multiple objects of a group regardless of sequence. This means that if there is a different object in sequence, it will be considered the same object.
A. Combination formula
Information :
n = element n
r = element r
C = Combination
A.1 Problems example and answer of combination
Example :
In badminton training there are 10 men players and 8 female players. How many double pairs can be earned for men's doubles?
Answer:
Because of the number of men's players there are 10 and chosen 2, then the number of ways there are:
B. Binomial Newton (Enrichment)
B.1 Binomial Newton Formula
Newton's binomial theorem can be formulated as follows:
An example of a newton's binomial question and answer
Example:
Determine the 4th term of (2x + 3y)6!
Answer:
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Reference :
- The mathematics book of the high school class XI IPA program
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