anonymous
  • anonymous
nPr=3024,then how to calculate the value of r?
MIT 18.03SC Differential Equations
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
UnkleRhaukus
  • UnkleRhaukus
\[^nP_r=\frac{n!}{(n-r)!}\]
UnkleRhaukus
  • UnkleRhaukus
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anonymous
  • anonymous
first factorise 3024
anonymous
  • anonymous
find the highest prime factor number in the factors here we are having 3024 = 7*3*3*3 *2*2*2*2 either start from the leading prime factor or form consecutive sequence of the factors obtained
anonymous
  • anonymous
here we are having 3024 = 9*8*7*6
anonymous
  • anonymous
3024 = 9*8*7*6*5! /5!= 9!/(9-4)!
anonymous
  • anonymous
r=4

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