Math To Do, -Ready
1 answer:
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There are 19 people total, and groups of four are being asked of us. We can use the formula for permutations or combinations.
Permutations:
Combinations:
Where in both scenarios, there are <em>n</em> objects being chosen at <em>r</em> times.
19 P 4 is 93024
19 C 4 is 3876
It all depends on whether order matters with group placement; if it does, your answer is 93024, if not, then your answer is 3876.
:)
Permutations:
Combinations:
Where in both scenarios, there are <em>n</em> objects being chosen at <em>r</em> times.
19 P 4 is 93024
19 C 4 is 3876
It all depends on whether order matters with group placement; if it does, your answer is 93024, if not, then your answer is 3876.
:)
Option a: is the right answer
Step-by-step explanation:
The given expression is:
As the denominators of both terms are same, the LCM will be x-2
so
Subtracting
Hence,
Option a: is the right answer
Keywords: Polynomials, fractions
Learn more about polynomials at:
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