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JEE MATHEMATICS MCQ: PERMUTATIONS

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Analyzing +4 | -1

The value of

\left(2 \cdot{ }^{1} P_{0}-3 \cdot{ }^{2} P_{1}+4 \cdot{ }^{3} P_{2}-\ldots\right.

up to

51^{\text {th }}

term

)

+\left(1 !-2 !+3 !-\ldots\right.

up to

51^{\text {th }}

term

)

is equal to :

View answer and explanation

Correct option: C

1+(52)

!

Option C (1+(52)!) is correct because after simplifying the expression, the result equals 1+(52)!

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