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Qn #1421
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If $42 (^nP_2)=(^nP_4)$ then the value of n is
A.
2
B.
4
C.
9
D.
42
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❓ Question: If $42 (^nP_2)=(^nP_4)$ then the value of n is... | TANCET Group Studies | Tancet Group Studies