if P( n-1,3 ) : P ( n,4 ) = 1 : 9. Find r. Using permutation
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Answered by
4
in question not find r ..... find the' n '
sorry n =9
sorry n =9
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sanhitadas:
but the actual ans is n=9
yaa by mistake i wrote tge 4 .....i will change my answer.
see in contains ..
its ok
Answered by
10
here isyour answer n=9
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you're most welcome
thank u
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