Neha posted an Question
January 28, 2020 • 12:33 pm 15 points
  • IIT JAM
  • Mathematics (MA)

M(m-1) .. (m-n+yn, so that Solution : Let a, = n! m(m-1).. (m- n+1)(m - n)n+1 an+1 (n +1)!

Sir can you please explain how did we get (m-n) in the second step..

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