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Nairaland Forum / Nairaland / General / Education / Mathematicians/Statisticians in the house, Kindly solve (640 Views)
Mathematicians In The House come over Here / Great Statisticians In The House / Statisticians In The House (2) (3) (4)
Mathematicians/Statisticians in the house, Kindly solve by Sl2348: 3:59pm On Feb 21, 2019 |
Solve:
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Re: Mathematicians/Statisticians in the house, Kindly solve by ABCthings: 4:30pm On Feb 21, 2019 |
Is this permutation and combination? |
Re: Mathematicians/Statisticians in the house, Kindly solve by Sl2348: 5:05pm On Feb 21, 2019 |
ABCthings:Yes |
Re: Mathematicians/Statisticians in the house, Kindly solve by Sl2348: 7:30pm On Feb 22, 2019 |
No body to solve it? 1 Like 1 Share |
Re: Mathematicians/Statisticians in the house, Kindly solve by Martinez39(m): 9:26pm On Feb 22, 2019 |
Lol. This is very simple na. Check out the maths challenges I gave and see if you can solve it. If no mathematician on nairaland can solve it, I will post the solution in 3 days time. Try your luck. Before solving here are things to note: 1) P(n, r) = (n!)/(n - r)! , 2) C(n, r) = (n!)/ [ r!(n - r)! ] 3) 0! = 1! = 1 and 4) n! = n(n - 1)(n - 2)(n - 3)... × 3 × 2 × 1, n is an integer & n ≥ 2. With these, let's get on with it. 1) To show (n + 1) P(n, n) = P(n+1, n) 2) to show that P(n, r+1) = (n - r) P(n, r) 3) To show that P(n, r) = (r!) C(n, r) |
Re: Mathematicians/Statisticians in the house, Kindly solve by Martinez39(m): 10:12pm On Feb 22, 2019 |
4) To show that C(n, r) = C(n, n - r) 5) To show C(n, r) + C(n, n - r) = C(n+1, r) Sl2348, I have completed your assignment. 1 Like |
Re: Mathematicians/Statisticians in the house, Kindly solve by Sl2348: 8:38pm On Feb 24, 2019 |
Martinez39:Thanks bro, I really appreciate. |
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