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JEE MATHEMATICS MCQ: PERMUTATIONS

1 Easy

1 of 1

Application +4 | -1

If

{ }^{n+5} p_{n+1}=\frac{1}{2}(11)(n-1)\left({ }^{n+3} p_n\right)

then

n

is equal to:

View answer and explanation

Correct option: D

6, 7

The correct answer is 6, 7 because substituting these values into the given equation satisfies the equality after simplifying the permutations.

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