Given that \(^{n}P_{r} = 90\) and \(^{n}C_{r} = 15\), find the value of r.
a
2
b
3
c
5
d
6
Explanation
Correct Option
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Given that \(^{n}P_{r} = 90\) and \(^{n}C_{r} = 15\), find the value of r.
2
3
5
6
No video available
Be the first to comment