" 6.Find "n" if "n-1P(3):nP(4)=1:9...

" 6.Find "n" if "n-1P_(3):nP_(4)=1:9

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Find n if ""^(n-1)P_(3):""^(n)P_(4)=1:9 .

Find n if nP_1=2

Find n if "^(n-1)P_3 : "^nP_4 =1:9 .

Find n if ,,n-1P_(3)quad :^(n)P_(4)=1:9

Find n if hat r(n-1)P_(3):^(n)P_(4)=1:9

Find n if ""^(n-1)P_(3): ""^(n)P_(4) = 1:9 .

Find n if .^(n-)P_(3): .^(n)P_(4) = 1:9 .

Find n if ""^(n-1)P_(3) : ""^(n)P_(4)=1:9 .

Find n if ""^(n-1)P_(3) : ""^(n)P_(4)=1:9 .

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