(i) If `""^(5)P_(r)=2xx""^(6)P_(r-1)`, find r. (ii) If `""^(20)P_(r)=13xx""^(20)P_(r-1)`, find r. (iii) If `""^(11)P_(r)=""^(12)P_(r-1)`, find r.

(i) If `""^(5)P_(r)=2xx""^(6)P_(r-1)`, find r.
(ii) If `""^(20)P_(r)=13xx""^(20)P_(r-1)`, find r.
(iii) If `""^(11)P_(r)=""^(12)P_(r-1)`, find r.

Monjur Alahi

5 views

2025-01-04 04:42

1 Answers

Salim Ahmed Kawsar

Correct Answer - (i) r = 3 (ii) r = 8 (iii) r = 9

5 views Answered 2023-02-05 15:29

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