InterviewSolution
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InterviewSolution
| 1. |
{ (ii) If }^nP_{n-2}=60, then find the value of }n.}{ (iii) If }^nP_6=20×^nP_4, then find the value of }n. |
| Answer» { (ii) If }^nP_{n-2}=60, then find the value of }n.}{ (iii) If }^nP_6=20×^nP_4, then find the value of }n. | |