Question

MUT
3. Find the value of n if
n+1p3=np4​

Answer 1

Answer:

5

Step-by-step explanation:

n+1p3=np4

n+1!/n-2 = n!/n-4!

(n+1)(n)(n-1)= n(n-1)(n-2)(n-3)

n+1 = n^2 - 5n + 6

n^2 - 6n + 5 = 0

(n-5)(n-1)=0

n=5 Ans

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