Hey friend explain this question : find r, if 5 4P r= 6 5 P3 -1 and this is from 11 class maths from permutations and combination chapter

Hey friend explain this question : find r, if 5 4P r= 6 5 P3 -1 and

1.	Hey friend explain this question : find r, if 5 4P r= 6 5 P3 -1 and this is from 11 class maths from permutations and combination chapter
Answer» TION:HOPE IT HELPEDMARK AS BRAINLIEST❤ ❤ ❤ ❤ ❤ ❤ ❤ ❤