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If .^(n)P(5)=20 .^(n)P(3), find the valu...

If `.^(n)P_(5)=20 .^(n)P_(3)`, find the value of n.

A

4

B

8

C

6

D

7

Text Solution

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The correct Answer is:
B
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Knowledge Check

  • If 2 ""^nP_3 = ""^(n+1)P_3 , then n is equal to

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    B
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    C
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    D
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