Ap Eapcet
Permutations And Combinations
AP EAPCET 2021 - 19th August Evening Shift
MCQ+1 / -02021
For \(1 \leq r \leq n, \frac{1}{r+1}\left\{{ }^n P_{r+1}-{ }^{(n-1)} P_{r+1}\right\}\) is equal to
Ap Eapcet
AP EAPCET 2021 - 19th August Evening Shift
For \(1 \leq r \leq n, \frac{1}{r+1}\left\{{ }^n P_{r+1}-{ }^{(n-1)} P_{r+1}\right\}\) is equal to