What is the value of r in C(6,r) = 20
with solutions
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What is the value of r in C(6,r) = 20
with solutions
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✏️COMBINATIONS
» Using the Combination Formula to find the value of r.
» Get the values of 6!
» Exchange.
» Factor 36 into factorial numbers.
» Let r! be the 3!
The value of r is 3.
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